The Complete Guide to Fasting: Heal Your Body Through Intermittent, Alternate-Day, and Extended Fasting

by Jason Fung

The most potent natural stimulus to growth hormone secretion is fasting.

Fasting: Improves mental clarity and concentration Induces weight and body fat loss Lowers blood sugar levels Improves insulin sensitivity Increases energy Improves fat-burning Lowers blood cholesterol Prevents Alzheimer’s disease Extends life Reverses the aging process Decreases inflammation

So the most efficient method of lowering insulin would be to eat nothing at all. In other words: to fast.

fasting can be added to any diet.

A 1959 study estimated its failure rate at a sky-high 98 percent.

fasting may be considered one of the most potent anti-aging methods in existence.

One of our most important tips for fasting is to stay busy.

The secret is to understand that hunger comes in waves. You just need to ride out the waves.

In fact, the combination of whole foods, lower-carbohydrate diets, less added sugars, and a daily twelve-hour fast was enough to prevent most Americans in the 1950s and 1960s from developing obesity—even though they still ate plenty of white bread and jam, and whole-wheat bread was rare and whole-wheat pasta unheard-of.