BOSTON (Reuters) - U.S. regulators said on Wednesday they have found no link between oral bisphosphonate osteoporosis medications such as Merck & Co Inc's Fosamax and certain thigh bone fractures.

LONDON (Reuters) - Only half of patients at high risk of heart disease are given the right targets for cutting their cholesterol and millions may suffer heart attack or stroke due to doctors' poor advice, scientists said on Thursday.

VIENNA (Reuters) - Motorists under the influence of drugs are a growing threat on U.S. roads, while the number who drink and drive has fallen thanks to education and law enforcement, a top U.S. drug control official said on Tuesday.

WASHINGTON (Reuters) - Recent new powers have helped the U.S. Food and Drug Administration combat contaminated medications, counterfeit pills and other safety woes, but more work is needed to address lingering concerns about drug risks, FDA officials said on Wednesday.

BOSTON (Reuters) - U.S. regulators said on Wednesday they have found no link between oral bisphosphonate osteoporosis medications such as Merck & Co Inc's Fosamax and certain thigh bone fractures.