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Light: Medicine of the Future: How We Can Use It to Heal Ourselves NOW
Medicine of the Future challenges the modern myth that the sun is dangerous to our well-being and claims that technological advancements, such as most fluorescent lighting, sunglasses, tanning lotions, and our indoor lifestyles, may be more harmful than helpful. Integrating scientific research, clinical experience, and his own insights, Dr. Jacob Liberman has worked effectively with more than 15,000 individuals, from the learning disabled and physically/emotionally traumatized to business executives and Olympic athletes. The book discusses the use of light in the treatment of various cancers, depression, stress, visual problems, PMS, sexual dysfunction, learning disabilities, and the human immune system.
304 pages, Paperback
First published October 1, 1990
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Displaying 1 - 21 of 21 reviews
September 14, 2009
I always wondered how I used to feel fresh, on a bright sunny day, and very low during winter when the sunlight wasn't available. The book explains clearly and comprehensively, the influence of light on the mind and the body. The book also showers light on light therapy done with full spectrum lights. It was really informative, and helped me find an effective solution to Seasonal Affective disorder (SAD) which I had been suffering from for a pretty long time. I realized the importance of full spectrum daylight products by reading this book, and then replaced some lights in my home, with viva-lite full spectrum daylight lamps, which has changed my life, from then on…for good :)
September 23, 2009
It's well written... Jacob Liberman has used interesting and real case studies to prove the importance of light on the body and mind.
"Chickens that were growing under full spectrum lighting, developed much better than their cousins bred under other artificial lighting. They live twice as long, lay more eggs, are less aggressive and, their eggs contain approx. 25% less cholesterol. The fact that the eggs of chickens living under full spectrum light contain less cholesterol need not surprise us if we consider that also in humans the cholesterol levels decrease under the influence of sunlight."
It was really informative... It was definitely a good read!
"Chickens that were growing under full spectrum lighting, developed much better than their cousins bred under other artificial lighting. They live twice as long, lay more eggs, are less aggressive and, their eggs contain approx. 25% less cholesterol. The fact that the eggs of chickens living under full spectrum light contain less cholesterol need not surprise us if we consider that also in humans the cholesterol levels decrease under the influence of sunlight."
It was really informative... It was definitely a good read!
February 14, 2013
This is an excellent book that talks about the importance of sunlight and the detrimental effects it can have on you if you have an incorrect sunlight exposure. Most people appear to have some level of incorrect sunlight exposure and it can cause many strange health problems to show up. These are easily fixed by detoxifying and then obtaining the correct daily exposure. I had solar radiation overload for many years and saw many doctors about the problems that it was causing. Non of them were able to diagnose it. I eventually figured it out on my own and I now have good health with no prescription drugs. Light really is essential medicine!
October 26, 2014
I had high hopes for this book and read it with an open mind. Parts of it I found really fascinating! However, there were at times parts which I felt I needed to skim over as the author's tone became a bit too spiritual / subjective for me. On the whole, he raised new concepts for me which has in turn inspired me to look further into syntonics as a treatment possibility.
April 6, 2018
Fantastic in so many levels. I especially loved chapters 13 and 14. My other favorite parts:
— UV light? Yes, please! Explains why I never liked sunglasses.
— Sunscreen with PABA supported my belief about sunscreen since it came out.
— Rainbow diet.
It also inspired me to want to know more about the ancient Egyptians and their temples of light to treat the afflicted.
— UV light? Yes, please! Explains why I never liked sunglasses.
— Sunscreen with PABA supported my belief about sunscreen since it came out.
— Rainbow diet.
It also inspired me to want to know more about the ancient Egyptians and their temples of light to treat the afflicted.
May 13, 2011
AMAZING! Informative, scientific, fascinating, thought-provoking, ADJECTIVES GALORE!
May 17, 2025
3.5
Some outdated research around cholesterol
Interesting studies around the full spectrum light being used to cure diesease and improve eyesight
Overall spreads the message that we should all listen to! Get outside under full spectrum sunlight - we aren’t designed to be inside under artificial light. Ditch the sunnies and sunscreen
Some outdated research around cholesterol
Interesting studies around the full spectrum light being used to cure diesease and improve eyesight
Overall spreads the message that we should all listen to! Get outside under full spectrum sunlight - we aren’t designed to be inside under artificial light. Ditch the sunnies and sunscreen
July 11, 2025
Kurzmeinung: Light & LIGHT=GOST! See also "Healing power of Sunlight", part of GOD's most importent NEW REVELATION to Jakob Lorber (& Leopold Engel...)!
Free ebook! "Truly ground-breaking work!...eye-opener as to the importance and curative/health-maintaining value of natural full-spectrum light. Skin and other cancers may be due to other factors than those strongly promoted by the mainstream (or to a combination of factors) such as long-term exposure to neon and other artificial lighting, the use of chemical-laden sun lotions [with very dangerous nano-particles!], various deficiencies incl. long-term underhydration, omega-3 fatty acids etc...including the early detection and healing of cancer!" (Healing Cancer Naturally, 2004); Jacob Liberman has used interesting and real case studies to prove the importance of light on body and mind [healing tuberculosis, AIDS...]! Index 31 p.!
See my original review
https://www.lovelybooks.de/autor/Jaco...
Prolog: a1) Forword: "Unfortunately, the natural heliotherapy of the past has been replaced by many artificial approaches, such as chemotherapy. It seems as though many of today's therapies are in some ways like taking a magic pill. They will either eliminate the symptoms or numb the senses sufficiently so that the problem won't be noticed anymore."
a2) “ “Real vision is the ability to see the invisible.” Jonathan Swift...
Heliotherapy" was very popular in Europe from 1900 to c. 1940. One Dr. Rollier, head of a sun therapy clinic, wrote a volume titled La Cure de Soleil [The Sun Cure]. He knew that the higher the UV dosis, the greater the success of the treatment. Many patients were healed from tuberculosis (and it was noticed that the sun did not effect a cure if the patients wore glasses impenetrable to the healing UV rays)." review by Healing Cancer Naturally, 2004 healingcancernaturally.com
a3) Chapter 15 "..are now beginning to appreciate the noninvasive power of light. Our other so-called "leading-edge technologies" in healing may soon be seen as "barbaric," as "Star Trek's" Dr. McCoy would say. Invasive medical approaches to treatment will become outdated as we enter the light age. Scalpels will be replaced by lasers, chemotherapy by phototherapy, prescription drugs by prescription colors, acupuncture needles by needles of light, eye-glasses by healthy eyes. Cancer will be a disease of the past; health and longevity will be the norm of the future. The educational environment will change from windowless, colorless, and inappropriately illuminated classrooms to colorful, playful, stimulating classrooms with plenty of fresh air and sunlight. As a result, our children will be physically and emotionally healthier, more creative, and excited about learning." Chapter 15: "WHERE NO ONE HAS GONE BEFORE
1) Fazit:
a) free ebook edition 1991 archive.org
b) "Truly ground-breaking work!...
eye-opener as to the importance and curative/health-maintaining value of natural full-spectrum light. Skin and other cancers may be due to other factors than those strongly promoted by the mainstream (or to a combination of factors) such as long-term exposure to neon and other artificial lighting, the use of chemical-laden sun lotions [with nano-particles, very dangerous for heart, brain...!], various deficiencies incl. long-term underhydration, omega-3 fatty acids etc...
...including the early detection and healing of cancer!" Healing Cancer Naturally, 2004 healingcancernaturally.com
c) Jacob Liberman has used interesting and real case studies to prove the importance of light on body and mind [healing tuberculosis, AIDS...]!
d) 31 p. index! 15 p. endnotes! 2 p. suggested reading
Appendix A: Full-Spectrum Light Sources & Other Related Products........244
Appendix B: College of Syntonic Optometry Practitioners.............246
Appendix C: Wohlfarth's Colors for Walls..........255
Appendix D: Clinical Investigators Utilizing Phototherapy and Photofrin in the Treatment of Cancer....256
Appendix E: Partial Directory of Practitioners Working with SAD.........257
Notes...............262
For the most current listings of Syntonic and behavioral optometrists and other holistic health practitioners, please visit the following Web sites:
College of Syntonic Optometry: www.syntonicphototherapy.com
College of Optometrists in Vision Development: www.covd.org
Optometric Extension Program: www.oep.org
American Holistic Medical Association: www.holisticmedicine.org
2) Helpful information & hyperlinks
a) citations of the reviewed book: see below
b) Topics: ANS, bacteriocidal UV-C, blood pressure, chakra, Spectro-Chrome, color, macular degeneration, electromagnetic, endocrine system, eye, grounding, heliotherapy, infrared, contact lens, full-spectrum, fluorescent lighting, Kiva Light, vibrational medicine, melatonin, opthalmic, Dr John Ott, morning person, photodynamic therapy, photofrin, phototherapy, porphyrins, radiation, circadian rhythm, sunglasses, Syntonics, ultraviolet, vision defects
c) PERMISSIONS: "...Thanks also to Sam Biser of the Swannanoa Institute, for per' mission to reprint portions from The Swannanoa Health Report, issues 2 and 3, entitled "The Miraculous Health Benefits of Ultraviolet Light:' Special thanks to Joy Franklin of High Mesa Press for permission to reprint an excerpt from I Come As A Brother by Bartholomew."
3) Videos
a) Liberman "Light: Medicine of the Future" review https://duckduckgo.com/?q=Liberman+%2...
4) Reviews & ratings
a) https://www.goodreads.com/book/show/8...
b) https://www.amazon.com/Light-Medicine...
c) Healing Cancer Naturally, 2004 healingcancernaturally.com "Light: Medicine of The Future" is an eye-opener as to the importance and curative/health-maintaining value of natural full-spectrum light. Skin and other cancers may be due to other factors than those strongly promoted by the mainstream (or to a combination of factors) such as long-term exposure to neon and other artificial lighting, the use of chemical-laden sun lotions, various deficiencies incl. long-term underhydration, omega-3 fatty acids etc. This and much more (including the early detection and healing of cancer) is discussed in this truly ground-breaking work on light and health.
Covering a wealth of topics, the author, an ophthalmologist, makes it abundantly clear that UV sunlight is a great healing and preventative factor, while artificial light is a major disease-inducing influence.
Liberman calls light an essential nutrient and quotes many examples and studies to explain why this is so. He introduces the term malillumination to describe the state that most people in the Western world have been living in since the predominantly rural way of life was abandoned in favour of life in the cities.
He discusses a wide range of therapeutic uses of light and color including emotional healing and catharsis triggered by colour and light (for instance, if you dislike a certain colour, this colour is quite likely the very colour that will (when therapeutically "applied") trigger and help you heal buried trauma).
He talks about treating cancer, AIDS and other illnesses using light and color and a light therapy called Syntonics that was developed by one Dr. Harry Riley Spitler who himself built on the light/color frequency research of another researcher, Dinsha, which he further expanded. (Royal Rife’s revolutionary healing work is also discussed).
Other topics include: the true statistics of skin melanomas and the sun versus working indoors all day; vast improvement of the eyesight of individuals using nothing but coloured filtered glasses and a light source; depression and light therapy; dyslexia and poor quality fluorescent light sources; dramatic improvement in behaviour and learning potential in children with learning disabilities after changing their environment to quality full spectrum lighting sources; the development of tumors in cancer-prone mice (exposed to pink fluorescent lighting in 42 weeks, under cool white light in 47 weeks and under full spectrum light in 51 weeks).
On Photodynamic Therapy (PDT)
In Jacob Liberman's book "Light: Medicine of The Future", the most impressive part re cancer (in a nutshell) is the following:
There are light-activated chemicals called porphyrins ("a ubiquitous class of naturally occurring compounds with many important biological representatives") which accumulate in cancer cells. Porphyrins injected into the body make (under certain conditions) tumors fluoresce.
T. J. Dougherty developed what he calls Photodynamic Therapy (PDT). PTD allows to both detect (highlight) cancerous cells as well as “explode" them subsequently by subjecting the injected photosensitive chemicals to irradiation with red laser light (640 nanometers), transported to the tumor locus via fibre-optic cables.
The UV light activates these chemicals which then proceed to selectively destroy the cancerous cells! PDT is painless and more successful than any conventional method in the treatment of localized tumors.
As long as the light is able to penetrate to the tumor site, the therapy is next to infallible. Many cancer patients have been treated very successfully using this method. In 70 to 80 percent of the cases, one treatment suffices for positive results to be noted. See T. J. Dougherty: "Photosensitization of Malignant Tumors" in S G Economou: "Adjuncts to Cancer Therapy", Philadelphia 1991. Someone developed PDT further into what he called Cytoluminescent Therapy (CLT).
(The following contains some re-translated excerpts from Dr. Liberman’s book)
Cells and UV:
“Heliotherapy" was very popular in Europe from 1900 to c. 1940. One Dr. Rollier, head of a sun therapy clinic, wrote a volume titled La Cure de Soleil [The Sun Cure]. He knew that the higher the UV dosis, the greater the success of the treatment. Many patients were healed from tuberculosis (and it was noticed that the sun did not effect a cure if the patients wore glasses impenetrable to the healing UV rays).
Other successful treatments concerned colitis, anemia, eczema, acne, lupus erythematodes, sciatica, asthma, and other ailments. Sun bathing and UV therapy were known as the most effective treatment modality for many infectious diseases. When penicillin was discovered in 1938, big business and science rushed into the new area of antibiotics and sun therapy fell into disrepute.
Why we need UV light:
UV light activates vitamin D synthesis.
UV light lowers blood pressure.
UV light increases heart "performance".
UV light improves ECG and blood parameters in persons suffering from arteriosclerosis.
UV light lowers cholesterol counts.
UV light helps in weight loss.
UV light is effective against psoriasis.
UV light is effective with numerous other ailments (Krudsen in his book "Light Therapy" lists 165 diseases).
UV light promotes the production of sex hormones.
UV light activates an important skin hormone (Solitrole).
UV light is a nutrient just as vitamins and minerals.
The media rehashes pseudo-scientific facts linking UV light to skin cancer. Scientists at the University of Sydney and The London School of Hygiene and Tropical Medicine concurrently ascertained that malignant melanoma (skin cancer) is much more widespread among indoor workers and office employees than among persons with predominantly outdoor (sun-exposed) job or leisure activity.
Sensational tests on one-celled organisms: cell-life extending factors
Prof. Smith-Sonneborn irradiated one-celled organisms with bactericidal UV-C rays which damaged their DNA and shortened their life span (accelerated their aging process).
She then proceeded to re-irradiate the cells, this time using UV-A. The cells repaired themselves and the aging process was halted. This alone was sensational news.
Prof. Smith-Sonneborn wanted to know next what would happen if she resubjected the cells to UV-A. This second radiation treatment extended the cells’ lifespan by up to 50 % compared to the control group!
These results showed without a doubt the ability of certain types of light to not only support cells in repairing their DNA, but also to support life-extending factors present within the DNA.
Liberman advises among other things: spend at least one hour per day outside, no matter what the weather. Don't wear sunglasses or tinted contact lenses and generally don't use sun lotion (Dr. Zane Kime is convinced that most sun lotions further the formation of cancerous cells under the impact of sunlight). Don't go into the sun between 10 am and 2 pm and never look directly at the sun.
What impressed me particularly is the author’s observation that natural sunlight is required as a catalyst to ensure complete digestion (my own experience seems to confirm this).
To round this review off, I am quoting from another pertinent website/other researchers:
“Research on various organisms and cell types consistently demonstrated that light alters cell metabolism, causing synthetic cell processes to dominate catabolic ones. In a recent paper, Karu described it this way: 'The primary changes induced by light are followed by a cascade of biochemical reactions in the cell that do not need further light activation.' (Here they are referring to laser light, “...lasers are used only because they are easier to control").
...light finds just the right places in the body to heal... starving or oxygen deprived tissue responds to the irradiation but not healthy tissue. Wounded, chronically inflamed, and ischaemic cells are characterized by their acidic, hypoxic and inhibited state. Light drives them toward oxidation, balanced pH, and vitality."
... and for the best, easiest, and least expensive ways I know to heal cancer after studying the subject for some twenty years, click here.
5) "BOOKS OF RELATED INTEREST BY BEAR & COMPANY ACCEPTING YOUR POWER TO HEAL
The Personal Practice of Therapeutic Touch by Dolores Kreiger, Ph.D., R.N.
BREAKING OUT OF ENVIRONMENTAL ILLNESS by Robert Sampson, M.D. and Patricia Hughes, B.S.N.
BREATHING Expanding Your Power and Energy by Michael Sky
LIQUID LIGHT OF SEX Understanding Your Key Life Passages by Barbara Hand Clow
THERAPEUTIC TOUCH INNER WORKBOOK Ventures in Transpersonal Healing by Dolores Krieger, Ph.D., R.N.
TRANSFORMATION THROUGH BODYWORK Using Touch Therapy to Find Inner Peace by Dan Menkin
VIBRATIONAL MEDICINE: New Choices for Healing Ourselves by Richard Gerber, M.D.
www.InnerTraditions.com "
6) About Jacob Israel Liberman
a) amazon.com "Dr. Jacob Israel Liberman is a pioneer in the fields of light, vision and consciousness, and the author of numerous books, including LUMINOUS LIFE: HOW THE SCIENCE OF LIGHT UNLOCKS THE ART OF LIVING published by New World Library. Originally trained as an optometrist and vision scientist, his life changed in 1976 after the miraculous healing of his eyesight, leading him to a deeper understanding of light and the science of life. Having helped countless individuals recover their eyesight, he began to understand the words of Jonathan Swift, “Real vision is the ability to see the invisible.”
An internationally-respected author and public speaker, Dr. Liberman’s work has been lauded by bestselling authors and world-renowned thought leaders from Eckhart Tolle and Bruce Lipton to Deepak Chopra. He is the author of LIGHT: MEDICINE OF THE FUTURE, TAKE OFF YOUR GLASSES AND SEE, and WISDOM FROM AN EMPTY MIND. His newest book, LUMINOUS LIFE, reveals how light guides our every step, so we may fulfill our reason for being.
A recipient of the H.R. Spitler Award for his groundbreaking contributions to the field of phototherapy, Dr. Liberman is the inventor of numerous light therapy devices, including the EYEPORT Vision Training System, the first FDA-cleared medical device to significantly improve overall visual performance. Gently piercing the heart and mind with timeless principles and common sense wisdom, Liberman illuminates the seamless connection between light, vision and consciousness, offering a whole new way of seeing and being. For more information, please visit: www.jacobliberman.org." https://www.amazon.com/Light-Medicine...
7) Citations:
a) Forword: In reading his book, Light: Medicine of the Future, I became completely fascinated with both his personal and professional stories. He comprehensively summarizes the scientific knowledge now known about this new, rapidly developing science of phototherapy and transforms it into understandable common sense. In addition, he points out some very important factors often overlooked by science, based on his own experience and case studies. Modern researchers must realize that a review of the existing scientific literature on a subject is not a substitute for real experience. Too often, important findings are prejudged as crazy or considered merely anecdotal because they do not yet exist in the scientific literature of the day. Are we to totally discount our own abilities to see, hear, and feel our everyday experience, trusting only the findings of others who differ from us in their view of reality? Magellan, for example, discovered that the Earth was round only by physically sailing around it, despite the prevailing belief of the day that the Earth was flat and that a ship would fall off over its edge if it sailed too far.
Even today, discoveries are too often considered invalid unless they fit into the realm of "cold, hard science." Recently, the editor of a health-related newsletter sent a letter to a leading cancer-research center in New York City requesting copies of their research to supplement his understanding, with a check to cover their expenses. He also included a copy of his well-documented newsletter on the benefits of ultraviolet light, about which I had been consulted prior to its printing. To his surprise, he immediately received his check back with a letter stating that they refused to send him any of their publications because some of the work reported in his newsletter had been discounted by M.D.s throughout the world. It is difficult for me to believe that in 1990 scientists would refuse to share their knowledge with other interested parties based on a difference of opinion."
b) Chapter 15: "WHERE NO ONE HAS GONE BEFORE
Free ebook! "Truly ground-breaking work!...eye-opener as to the importance and curative/health-maintaining value of natural full-spectrum light. Skin and other cancers may be due to other factors than those strongly promoted by the mainstream (or to a combination of factors) such as long-term exposure to neon and other artificial lighting, the use of chemical-laden sun lotions [with very dangerous nano-particles!], various deficiencies incl. long-term underhydration, omega-3 fatty acids etc...including the early detection and healing of cancer!" (Healing Cancer Naturally, 2004); Jacob Liberman has used interesting and real case studies to prove the importance of light on body and mind [healing tuberculosis, AIDS...]! Index 31 p.!
See my original review
https://www.lovelybooks.de/autor/Jaco...
Prolog: a1) Forword: "Unfortunately, the natural heliotherapy of the past has been replaced by many artificial approaches, such as chemotherapy. It seems as though many of today's therapies are in some ways like taking a magic pill. They will either eliminate the symptoms or numb the senses sufficiently so that the problem won't be noticed anymore."
a2) “ “Real vision is the ability to see the invisible.” Jonathan Swift...
Heliotherapy" was very popular in Europe from 1900 to c. 1940. One Dr. Rollier, head of a sun therapy clinic, wrote a volume titled La Cure de Soleil [The Sun Cure]. He knew that the higher the UV dosis, the greater the success of the treatment. Many patients were healed from tuberculosis (and it was noticed that the sun did not effect a cure if the patients wore glasses impenetrable to the healing UV rays)." review by Healing Cancer Naturally, 2004 healingcancernaturally.com
a3) Chapter 15 "..are now beginning to appreciate the noninvasive power of light. Our other so-called "leading-edge technologies" in healing may soon be seen as "barbaric," as "Star Trek's" Dr. McCoy would say. Invasive medical approaches to treatment will become outdated as we enter the light age. Scalpels will be replaced by lasers, chemotherapy by phototherapy, prescription drugs by prescription colors, acupuncture needles by needles of light, eye-glasses by healthy eyes. Cancer will be a disease of the past; health and longevity will be the norm of the future. The educational environment will change from windowless, colorless, and inappropriately illuminated classrooms to colorful, playful, stimulating classrooms with plenty of fresh air and sunlight. As a result, our children will be physically and emotionally healthier, more creative, and excited about learning." Chapter 15: "WHERE NO ONE HAS GONE BEFORE
1) Fazit:
a) free ebook edition 1991 archive.org
b) "Truly ground-breaking work!...
eye-opener as to the importance and curative/health-maintaining value of natural full-spectrum light. Skin and other cancers may be due to other factors than those strongly promoted by the mainstream (or to a combination of factors) such as long-term exposure to neon and other artificial lighting, the use of chemical-laden sun lotions [with nano-particles, very dangerous for heart, brain...!], various deficiencies incl. long-term underhydration, omega-3 fatty acids etc...
...including the early detection and healing of cancer!" Healing Cancer Naturally, 2004 healingcancernaturally.com
c) Jacob Liberman has used interesting and real case studies to prove the importance of light on body and mind [healing tuberculosis, AIDS...]!
d) 31 p. index! 15 p. endnotes! 2 p. suggested reading
Appendix A: Full-Spectrum Light Sources & Other Related Products........244
Appendix B: College of Syntonic Optometry Practitioners.............246
Appendix C: Wohlfarth's Colors for Walls..........255
Appendix D: Clinical Investigators Utilizing Phototherapy and Photofrin in the Treatment of Cancer....256
Appendix E: Partial Directory of Practitioners Working with SAD.........257
Notes...............262
For the most current listings of Syntonic and behavioral optometrists and other holistic health practitioners, please visit the following Web sites:
College of Syntonic Optometry: www.syntonicphototherapy.com
College of Optometrists in Vision Development: www.covd.org
Optometric Extension Program: www.oep.org
American Holistic Medical Association: www.holisticmedicine.org
2) Helpful information & hyperlinks
a) citations of the reviewed book: see below
b) Topics: ANS, bacteriocidal UV-C, blood pressure, chakra, Spectro-Chrome, color, macular degeneration, electromagnetic, endocrine system, eye, grounding, heliotherapy, infrared, contact lens, full-spectrum, fluorescent lighting, Kiva Light, vibrational medicine, melatonin, opthalmic, Dr John Ott, morning person, photodynamic therapy, photofrin, phototherapy, porphyrins, radiation, circadian rhythm, sunglasses, Syntonics, ultraviolet, vision defects
c) PERMISSIONS: "...Thanks also to Sam Biser of the Swannanoa Institute, for per' mission to reprint portions from The Swannanoa Health Report, issues 2 and 3, entitled "The Miraculous Health Benefits of Ultraviolet Light:' Special thanks to Joy Franklin of High Mesa Press for permission to reprint an excerpt from I Come As A Brother by Bartholomew."
3) Videos
a) Liberman "Light: Medicine of the Future" review https://duckduckgo.com/?q=Liberman+%2...
4) Reviews & ratings
a) https://www.goodreads.com/book/show/8...
b) https://www.amazon.com/Light-Medicine...
c) Healing Cancer Naturally, 2004 healingcancernaturally.com "Light: Medicine of The Future" is an eye-opener as to the importance and curative/health-maintaining value of natural full-spectrum light. Skin and other cancers may be due to other factors than those strongly promoted by the mainstream (or to a combination of factors) such as long-term exposure to neon and other artificial lighting, the use of chemical-laden sun lotions, various deficiencies incl. long-term underhydration, omega-3 fatty acids etc. This and much more (including the early detection and healing of cancer) is discussed in this truly ground-breaking work on light and health.
Covering a wealth of topics, the author, an ophthalmologist, makes it abundantly clear that UV sunlight is a great healing and preventative factor, while artificial light is a major disease-inducing influence.
Liberman calls light an essential nutrient and quotes many examples and studies to explain why this is so. He introduces the term malillumination to describe the state that most people in the Western world have been living in since the predominantly rural way of life was abandoned in favour of life in the cities.
He discusses a wide range of therapeutic uses of light and color including emotional healing and catharsis triggered by colour and light (for instance, if you dislike a certain colour, this colour is quite likely the very colour that will (when therapeutically "applied") trigger and help you heal buried trauma).
He talks about treating cancer, AIDS and other illnesses using light and color and a light therapy called Syntonics that was developed by one Dr. Harry Riley Spitler who himself built on the light/color frequency research of another researcher, Dinsha, which he further expanded. (Royal Rife’s revolutionary healing work is also discussed).
Other topics include: the true statistics of skin melanomas and the sun versus working indoors all day; vast improvement of the eyesight of individuals using nothing but coloured filtered glasses and a light source; depression and light therapy; dyslexia and poor quality fluorescent light sources; dramatic improvement in behaviour and learning potential in children with learning disabilities after changing their environment to quality full spectrum lighting sources; the development of tumors in cancer-prone mice (exposed to pink fluorescent lighting in 42 weeks, under cool white light in 47 weeks and under full spectrum light in 51 weeks).
On Photodynamic Therapy (PDT)
In Jacob Liberman's book "Light: Medicine of The Future", the most impressive part re cancer (in a nutshell) is the following:
There are light-activated chemicals called porphyrins ("a ubiquitous class of naturally occurring compounds with many important biological representatives") which accumulate in cancer cells. Porphyrins injected into the body make (under certain conditions) tumors fluoresce.
T. J. Dougherty developed what he calls Photodynamic Therapy (PDT). PTD allows to both detect (highlight) cancerous cells as well as “explode" them subsequently by subjecting the injected photosensitive chemicals to irradiation with red laser light (640 nanometers), transported to the tumor locus via fibre-optic cables.
The UV light activates these chemicals which then proceed to selectively destroy the cancerous cells! PDT is painless and more successful than any conventional method in the treatment of localized tumors.
As long as the light is able to penetrate to the tumor site, the therapy is next to infallible. Many cancer patients have been treated very successfully using this method. In 70 to 80 percent of the cases, one treatment suffices for positive results to be noted. See T. J. Dougherty: "Photosensitization of Malignant Tumors" in S G Economou: "Adjuncts to Cancer Therapy", Philadelphia 1991. Someone developed PDT further into what he called Cytoluminescent Therapy (CLT).
(The following contains some re-translated excerpts from Dr. Liberman’s book)
Cells and UV:
“Heliotherapy" was very popular in Europe from 1900 to c. 1940. One Dr. Rollier, head of a sun therapy clinic, wrote a volume titled La Cure de Soleil [The Sun Cure]. He knew that the higher the UV dosis, the greater the success of the treatment. Many patients were healed from tuberculosis (and it was noticed that the sun did not effect a cure if the patients wore glasses impenetrable to the healing UV rays).
Other successful treatments concerned colitis, anemia, eczema, acne, lupus erythematodes, sciatica, asthma, and other ailments. Sun bathing and UV therapy were known as the most effective treatment modality for many infectious diseases. When penicillin was discovered in 1938, big business and science rushed into the new area of antibiotics and sun therapy fell into disrepute.
Why we need UV light:
UV light activates vitamin D synthesis.
UV light lowers blood pressure.
UV light increases heart "performance".
UV light improves ECG and blood parameters in persons suffering from arteriosclerosis.
UV light lowers cholesterol counts.
UV light helps in weight loss.
UV light is effective against psoriasis.
UV light is effective with numerous other ailments (Krudsen in his book "Light Therapy" lists 165 diseases).
UV light promotes the production of sex hormones.
UV light activates an important skin hormone (Solitrole).
UV light is a nutrient just as vitamins and minerals.
The media rehashes pseudo-scientific facts linking UV light to skin cancer. Scientists at the University of Sydney and The London School of Hygiene and Tropical Medicine concurrently ascertained that malignant melanoma (skin cancer) is much more widespread among indoor workers and office employees than among persons with predominantly outdoor (sun-exposed) job or leisure activity.
Sensational tests on one-celled organisms: cell-life extending factors
Prof. Smith-Sonneborn irradiated one-celled organisms with bactericidal UV-C rays which damaged their DNA and shortened their life span (accelerated their aging process).
She then proceeded to re-irradiate the cells, this time using UV-A. The cells repaired themselves and the aging process was halted. This alone was sensational news.
Prof. Smith-Sonneborn wanted to know next what would happen if she resubjected the cells to UV-A. This second radiation treatment extended the cells’ lifespan by up to 50 % compared to the control group!
These results showed without a doubt the ability of certain types of light to not only support cells in repairing their DNA, but also to support life-extending factors present within the DNA.
Liberman advises among other things: spend at least one hour per day outside, no matter what the weather. Don't wear sunglasses or tinted contact lenses and generally don't use sun lotion (Dr. Zane Kime is convinced that most sun lotions further the formation of cancerous cells under the impact of sunlight). Don't go into the sun between 10 am and 2 pm and never look directly at the sun.
What impressed me particularly is the author’s observation that natural sunlight is required as a catalyst to ensure complete digestion (my own experience seems to confirm this).
To round this review off, I am quoting from another pertinent website/other researchers:
“Research on various organisms and cell types consistently demonstrated that light alters cell metabolism, causing synthetic cell processes to dominate catabolic ones. In a recent paper, Karu described it this way: 'The primary changes induced by light are followed by a cascade of biochemical reactions in the cell that do not need further light activation.' (Here they are referring to laser light, “...lasers are used only because they are easier to control").
...light finds just the right places in the body to heal... starving or oxygen deprived tissue responds to the irradiation but not healthy tissue. Wounded, chronically inflamed, and ischaemic cells are characterized by their acidic, hypoxic and inhibited state. Light drives them toward oxidation, balanced pH, and vitality."
... and for the best, easiest, and least expensive ways I know to heal cancer after studying the subject for some twenty years, click here.
5) "BOOKS OF RELATED INTEREST BY BEAR & COMPANY ACCEPTING YOUR POWER TO HEAL
The Personal Practice of Therapeutic Touch by Dolores Kreiger, Ph.D., R.N.
BREAKING OUT OF ENVIRONMENTAL ILLNESS by Robert Sampson, M.D. and Patricia Hughes, B.S.N.
BREATHING Expanding Your Power and Energy by Michael Sky
LIQUID LIGHT OF SEX Understanding Your Key Life Passages by Barbara Hand Clow
THERAPEUTIC TOUCH INNER WORKBOOK Ventures in Transpersonal Healing by Dolores Krieger, Ph.D., R.N.
TRANSFORMATION THROUGH BODYWORK Using Touch Therapy to Find Inner Peace by Dan Menkin
VIBRATIONAL MEDICINE: New Choices for Healing Ourselves by Richard Gerber, M.D.
www.InnerTraditions.com "
6) About Jacob Israel Liberman
a) amazon.com "Dr. Jacob Israel Liberman is a pioneer in the fields of light, vision and consciousness, and the author of numerous books, including LUMINOUS LIFE: HOW THE SCIENCE OF LIGHT UNLOCKS THE ART OF LIVING published by New World Library. Originally trained as an optometrist and vision scientist, his life changed in 1976 after the miraculous healing of his eyesight, leading him to a deeper understanding of light and the science of life. Having helped countless individuals recover their eyesight, he began to understand the words of Jonathan Swift, “Real vision is the ability to see the invisible.”
An internationally-respected author and public speaker, Dr. Liberman’s work has been lauded by bestselling authors and world-renowned thought leaders from Eckhart Tolle and Bruce Lipton to Deepak Chopra. He is the author of LIGHT: MEDICINE OF THE FUTURE, TAKE OFF YOUR GLASSES AND SEE, and WISDOM FROM AN EMPTY MIND. His newest book, LUMINOUS LIFE, reveals how light guides our every step, so we may fulfill our reason for being.
A recipient of the H.R. Spitler Award for his groundbreaking contributions to the field of phototherapy, Dr. Liberman is the inventor of numerous light therapy devices, including the EYEPORT Vision Training System, the first FDA-cleared medical device to significantly improve overall visual performance. Gently piercing the heart and mind with timeless principles and common sense wisdom, Liberman illuminates the seamless connection between light, vision and consciousness, offering a whole new way of seeing and being. For more information, please visit: www.jacobliberman.org." https://www.amazon.com/Light-Medicine...
7) Citations:
a) Forword: In reading his book, Light: Medicine of the Future, I became completely fascinated with both his personal and professional stories. He comprehensively summarizes the scientific knowledge now known about this new, rapidly developing science of phototherapy and transforms it into understandable common sense. In addition, he points out some very important factors often overlooked by science, based on his own experience and case studies. Modern researchers must realize that a review of the existing scientific literature on a subject is not a substitute for real experience. Too often, important findings are prejudged as crazy or considered merely anecdotal because they do not yet exist in the scientific literature of the day. Are we to totally discount our own abilities to see, hear, and feel our everyday experience, trusting only the findings of others who differ from us in their view of reality? Magellan, for example, discovered that the Earth was round only by physically sailing around it, despite the prevailing belief of the day that the Earth was flat and that a ship would fall off over its edge if it sailed too far.
Even today, discoveries are too often considered invalid unless they fit into the realm of "cold, hard science." Recently, the editor of a health-related newsletter sent a letter to a leading cancer-research center in New York City requesting copies of their research to supplement his understanding, with a check to cover their expenses. He also included a copy of his well-documented newsletter on the benefits of ultraviolet light, about which I had been consulted prior to its printing. To his surprise, he immediately received his check back with a letter stating that they refused to send him any of their publications because some of the work reported in his newsletter had been discounted by M.D.s throughout the world. It is difficult for me to believe that in 1990 scientists would refuse to share their knowledge with other interested parties based on a difference of opinion."
b) Chapter 15: "WHERE NO ONE HAS GONE BEFORE
April 21, 2008
a bit outdated (it makes predictions that did not come to pass) but still significant as to how we see light and how our "lightscape" effects our health.
January 25, 2025
This is an inspiring book about light and light therapy, and the health benefits of proper light treatment. Jacob Liberman delves into the health-giving properties of sunlight, as well as light and color therapy, and how he has achieved remarkable results with countless patients. This is particularly true for those who have struggled with psychological trauma, challenges earlier in life, or poor vision.
The book offers a wealth of interesting insights, with Liberman drawing much of his inspiration from John Ott (author of Sunlight and Health) and his work. The book also highlights the drawbacks of using sunglasses and discusses how exposure to artificial light can negatively impact learning in classroom settings. Conversely, it explains how the use of proper, full-spectrum lighting and appropriate color schemes in classrooms can work wonders for groups of students.
While there are occasional sections of the book that are less engaging, it frequently shines and is a valuable read for anyone interested in good health.
The book offers a wealth of interesting insights, with Liberman drawing much of his inspiration from John Ott (author of Sunlight and Health) and his work. The book also highlights the drawbacks of using sunglasses and discusses how exposure to artificial light can negatively impact learning in classroom settings. Conversely, it explains how the use of proper, full-spectrum lighting and appropriate color schemes in classrooms can work wonders for groups of students.
While there are occasional sections of the book that are less engaging, it frequently shines and is a valuable read for anyone interested in good health.
March 3, 2023
I would like an updated version of this book. It has fascinating research but is over 30 years old. I would hope that even more knowledge is available to back up the benefits of light therapy. I feel like this is such a misunderstood method of healing as doctors are practically bullying people into using sun screen on a daily basis these days. We need full spectrum light.
January 6, 2022
If you are curious about what the medicine of the future would look like, this book provides a framework and research on how using light, yes you read that right, light is able to cure and prevent diseases ranging from ADHD, cancer, depression. And it's completely non-invasive.
August 19, 2022
Really interesting. Lots of truth, and lots to consider. I was hoping for more of a HOW to use light to heal, and this was more of all the science behind WHY it can. Very cool, but I'm still looking for a therefore what.
September 1, 2020
Enjoyed it. 2nd time I read it. Recommend it
November 26, 2022
EnLIGHTening....Illuminating
December 13, 2022
I just didn't find this book to be believable, or to have much useful information. A lot of it is correlation -- causation can't be proven. Would NOT recommend reading this book.
January 24, 2023
Fascinating book how light can affect your being. Jacob Liberman is one of my favorite authors. Love his studies and books!
March 27, 2024
Fascinating and informative. Have been learning about light and the book just added some amazing information.
May 10, 2024
Just perfect!
June 20, 2025
some good stuff here
July 19, 2025
The book is medicine in itself ❇️
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