PHILIP LEE MILLER, M.D., is the founder and medical director of the Los Gatos Longevity Institute. A practicing clinician for more than thirty years, he is a diplomate of the American Board of Anti-Aging Medicine and serves on the Medical Advisory Board of the Life Extension Foundation. The Life Extension Foundation, or LEF, is the world’s largest organization dedicated to finding scientific methods of preventing and treating disease, aging, and death. In addition to developing unique disease treatment protocols, the Life Extension Foundation funds pioneering scientific research with vitamins, minerals, and supplements aimed at achieving an extended healthy human lifespan. At the heart of the Life Extension Foundation’s mission are its research programs for identifying and developing new therapies to slow and reverse the deterioration of aging.