Head Strong: The Bulletproof Plan to Activate Untapped Brain Energy to Work Smarter and Think Faster-in Just Two Weeks

by Dave Asprey

Every time you resist an urge, you are making a decision. Scientists have proven that there are a limited number of decisions you can make each day before you reach “decision fatigue.”2 Each decision requires energy, and when you’re tired, hungry, or have already made a lot of decisions, you run out of energy and start making bad choices.

lose. Identifying your personal kryptonite and removing it from your life will free up your brain’s

energy reserves for more important things.

BRAIN WEAKNESS #1: Forgetfulness

Both short- and long-term memory loss stem from the same causes: not getting the right nutrition, chronic low-grade bacterial or fungal problems, inadequate neurotransmitters (the chemical messengers in your body), and, of course, impaired mitochondrial function.

low blood pressure

trying to think of a word but being unable to remember

Increasing BDNF through exercise, diet, and strategic supplementation will improve your learning, memory, and higher thinking.

BRAIN WEAKNESS #2: Cravings

When I was fat, I was gaining weight and starving at the same time. The calories went into my mouth and straight to my fat cells instead of being used to make energy. I thought I was weak-willed, but I had fallen into a fat trap.

that toxins were a major cause of my food cravings. The kidneys and liver are your body’s natural detox pathways.

noisy environment

Strong desire to eat something sweet after a meal • Inability to go more than two or three hours between meals • Irritability when hungry

• Exhaustion after spending time in a noisy or chaotic environment