After a Harvard study found that most flavored e-cigarette liquids contain chemicals meant for food that could potentially lead to lung disease when inhaled, another researcher countered that this chemical hazard is not new.
Weight cutting is dangerous. Certain methods like getting in sauna suits to obtain rapid weight loss pose potentially serious health risks. That hasn't stopped amateur and pro fighters from doing it, though.
One of the Canada's most outspoken advocates on the ties between the tar sands and adverse health effects has been dismissed from his job without notice.
Studies have confirmed the carcinogenic effects of a diet high in grilled and well-done meat—but now scientists think there are dementia and Alzheimer's ties, too.