Advisory panels to the F.D.A. are looking at the long-term effects of drugs like Fosamax.
The panels and F.D.A. staff members are also expected to conduct a comprehensive safety review of the medical evidence to date, after 16 years of growing use of the drugs, to determine whether they have proved to be safe and effective in use longer than three to five years. The recommendation could affect many of the estimated four million women in the United States who take the drugs, called bisphosphonates. Bisphosphonates inhibit a bone renewal process called resorption, adding bone mass, but possibly causing brittleness as well.
The rest of the article: http://www.nytimes.com/2011/09/06/health/06bone.html
My comments: Imagine that, unnatural drugs causing unhealthy unnatural side effects. See my prior articles on this subject:
FDA approves new bone drug which may lead to bone death
See also these articles on natural bone health and osteoporosis:
Seniors can literally shake their to better bone health, preventing hip and other dangerous fractures
Calcium Alone is not Enough for Healthy Bones
Natural Help for Osteoporosis
Reverse Osteoporosis with Prunes