Book Excerpt: Your Brain on Food
Dr. Gary Wenk believes that the distinction between food and drug has become difficult to define. In this excerpt from his book Your Brain on Food, Dr. Wenk explains why, breaking down the differences between the two and illustrating how both can directly affect our behavior. To purchase your copy, click here.

In this excerpt from Your Brain on Food, author Dr. Gary Wenk breaks down the barrier between "food" and "drug," explaining the many ways both substances affect our minds, bodies and behaviors. To purchase your copy of Your Brain on Food: How Chemicals Control Your Thoughts and Feelings, click here.
Reprinted from YOUR BRAIN ON FOOD: How Chemicals Control Your Thoughts & Feelings, by Gary L. Wenk (Oxford University Press).© 2010 by Oxford University Press.