This isn't specifically about bones but I thought it was very pertinent considering the recent lawsuits over Fosamax. Looks like in the future you won't be able to sue if you're injured from taking a prescription drug.
"Experts say the new labeling system for prescription drugs about to launch in the United States will not radically improve patient safety or the prescribing process. What's more, the new rules include a clause, slipped in silently after the public-comment period had closed, that will make it almost impossible for patients to sue drug makers over adverse events, said the authors of a perspective piece in the July 8 New England Journal of Medicine." (excite.com)
Apparently several members of the House of Representatives are objecting to this provision and the lack of debate beforehand. Court challenges are probably likely.