Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School

Brain Derived Neurotrophic Factor

Imaging studies have shown that exercise literally increases blood volume in a region of the brain called the dentate gyrus.

Exercise does not provide the oxygen and the food. It provides your body greater access to the oxygen and the food.

You can live for 30 days or so without food, and you can go for a week or so without drinking water. Your brain, however, is so active that it cannot go without oxygen for more than 5 minutes without risking serious and permanent damage.

brain represents only about 2 percent of most people’s body weight, yet it accounts for about 20 percent of the body’s total energy usage—about 10 times more than would be expected

ack La Lanne, born in 1914, has been called the godfather of the American fitness movement. He starred in one of the longest-running exercise programs produce