On another forum someone has posted information about two studies that have been done evaluating studies on bisphosphonates. The results give one food for thought.
Systematic Review of the Efficacy of Bisphosphonates
Systematic Review of the Harms of Bisphosphonates
Worth reading no matter which side of the argument you are on.
are bisphosphonates not suitable for certain osteoporosis patients? 
Broken a back tooth and am on Risedronate
Eye inflammation side effect
34, Osteoporosis and scared of drugs 
bisphosphonates and dizziness
