US health officials Friday ordered the makers of the Plavix anti-blood clotting agent to add a boxed warning to its packets saying the drug may be less effective in preventing heart attacks in people who cannot metabolize it properly. The new boxed warning ordered by the Food and Drug Administration is a further step up from just mentioning the drawback ...

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. German researchers said that over 10 years, around 50 to 80 heart attacks, strokes and heart disease-related deaths per 1,000 patients ...

Sheikh Mohammed Sayed Tantawi, Grand Imam of Al-Azhar -- Sunni Islam's highest seat of learning -- died on Wednesday in Saudi Arabia of a heart attack, the official MENA news agency reported. Tantawi, 81, was in Riyadh to attend the King Faisal awards ceremony, it said. He died in the Saudi Arabian capital "after a sudden heart attack," MENA said.

The once-popular painkiller Vioxx doubled the risk of heart attack and was unfit for consumption, an Australian court ruled Friday, awarding a man leading a class action suit against the drug's maker 287,000 Australian dollars ($259,000) in compensation. Melbourne Federal Court Judge ...