Steven Pratt, M.D., is a world-renowned authority on the role of nutrition and lifestyle in the prevention of disease and optimising health. He is a senior staff opthamologist at Scripps Memorial Hospital in La Jolla, California. He lives in Del Mar, California.
Kathy Matthews has co-authored several health and medical bestsellers, including Medical Makeover and Natural Prescriptions. She lives in Pelham, New York.
They are also co-authors of SuperFoods Healthstyle.