We can all prevent disease and fight infection using a simple yet powerful medicine--food. Understanding nutrition and correctly supplementing your diet is the key to boosting your immune system. Discover how to stay free from disease, feel great, perform better, look good, and live longer. Experts Jennifer Meek and Patrick Holford show you how to: Beat infections naturally; Win the war against colds and flu; Decrease your allergic potential; Protect yourself against cancer; Increase your immunity; Prevent candida; Supplement for immune strength--and much more.