Dr. Barry Sears is one of the world’s leading experts on the use of diet to alter hormonal responses not only to treat chronic disease, but also to promote and maintain wellness. A former research scientist at the Boston University School of Medicine and the Massachusetts Institute of Technology, Dr. Sears is a widely published author and has written extensively about his hormonal control technology for the general public. His books on his Zone technology have sold more than 8 million copies, and have been translated into 22 languages in 40 countries.