Normal or early menopause (brought about naturally or because of surgery) increases your risk of developing osteoporosis. In addition, women who stop menstruating before menopause because of conditions such as anorexia or bulimia, or because of excessive physical exercise, may also lose bone tissue and develop osteoporosis. (National Osteoporosis Foundation) To learn more about risk factors, lifestyle changes and screening, visit these websites:

http://www.strongwomen.com/newsletter
http://www.nof.org