VINCENT GIAMPAPA, M.D., F.A.C.S., is cofounder of the American Academy of Anti-Aging Medicine, the first president of the American Board of Anti-Aging Medicine, and the founder of the Giampapa Institute for Anti-Aging Medical Therapy. He has more than twenty years of clinical practice working with patients as both a board-certified plastic surgeon and as one of the world's first certified anti-aging physicians.

RONALD PERO, Ph.D., is Professor of Microbiology at Sweden's Lund University. He has also taught at Boston University and served as Director of Medical Therapeutics at the Strang Medical Clinic in New York.

MARCIA ZIMMERMAN, C.N., is an internationally known nutrition author, consultant, and speaker whose books include The A.D.D. Nutrition Solution and Eat Your Colors. Her Web site is www.thenutritionsolution.com.