Using the Combined Health Information Database on the National Institutes of Health site, you can submit a search for a particular condition to obtain information from any of the groups of the National Institutes of Health, including the National Institute on Aging.

The American Academy of Orthopaedic Surgeons (AAOS) provides information and education to raise the public's awareness of musculoskeletal conditions, with an emphasis on preventive measures. The AAOS Web site contains information on orthopedic conditions and treatments, injury prevention, and wellness and exercise.

The National Osteoporosis Foundation (NOF) funds research and publishes educational material about osteoporosis for consumers and health professionals. The NOF also provides information about bone density testing sites, new treatment, and local groups interested in osteoporosis. The foundation's mission is to prevent osteoporosis, to promote lifelong bone health, to help improve the lives of those affected by osteoporosis and related fractures, and to find a cure.