Explains how to use amino acids to achieve optimum health and describes their beneficial roles in fighting cancer, Alzheimer's disease, depression, heart disease, and more.USResearch and clinical use of amino acids are booming worldwide. Aminos are becoming part of everyday life--helping people sleep, feel better, and overcome anxiety, depression, and substance abuse. This revision of the landmark book on amino acids covers the exciting discoveries of the last decade and shows how to use them in your personal health-management program.