Dr. Dean Ornish

Dr. Dean Ornish has created a program for reversing heart disease and now, this revolutionary doctor's new book explains how to reverse the effects of disease with diet and lifestyle changes.

His book, "Spectrum: A Scientifically Proven Program to Feel Better, Live Longer, Lose Weight and Gain Health," is about freedom of choice. He says it may be hard to make lifestyle choices, but there are ways to get motivated.

Are you stressed? Ornish talks about the effects of stress and how to reduce it. And you can trust him -- this doctor's methods have been praised by everyone from Deepak Chopra to President Bill Clinton.