The first complete guide to osteoporosis--the thinning of the bones which causes stooped posture, fractures, and chronic pain in millions of people, especially women over 55. Discusses the fact that the condition begins much earlier in life than most people think, and outlines the risk factors that increase one's chances of being affected. Emphasizing prevention, also provides advice on treatment and disease management through diet, a specific exercise regimen, and changes in lifestyle.