Twenty-eight million Americans will face osteoporosis. Often triggered by hormonal changes that occur after menopause, osteoporosis results in the fracturing of bones, which can prove fatal to the elderly. One out of every six affected women will break her hip; only one out of three will regain her independence.In 1996, after falling and fracturing her hand, Ann Richards went for a bone density test. She was diagnosed with osteopenia, an early stage...