New data show many more coal miners across Appalachia suffering from the most serious form of black lung disease than federal regulators previously reported.
Preschoolers whose natural preference is for going to bed and waking up on the late side are more likely than their early-bird peers to have sleep problems, a recent study suggests.
People who expect good things to happen in the future are more likely than less-optimistic peers to survive the decades following a first heart attack, a study in Israel suggests.
Ohio researchers say today's seat belts weren't designed to protect the smaller, frailer seniors who account for tens of millions of drivers in the U.S alone.
U.S. health regulators on Friday allowed Pfizer Inc to remove a serious warning from the label of its smoking cessation treatment, Chantix, giving a new lease of life to the controversial drug that was approved a decade ago.
Sweetening your beverage with real sugar, "fake" sugar or a "natural" no-calorie sweetener makes little difference in the overall calories you consume in a day, a small new study suggests.
Drugmaker Mylan has started selling a generic version of its emergency allergy treatment EpiPen at half the price of the branded option, the cost of which drew national scorn and attracted Congressional inquiries.
An uncommon drug caused a "zombie" outbreak in a New York City neighborhood this past summer, and now a new report identifies the exact compound that the affected people took.The report also shows scientists how they could identify other such drugs in the future.