Federal officials said a psychoactive ingredient in kratom had been refined and added to supplements that could quickly ...

U.S. officials are cracking down on a surge of sophisticated new illicit vaping products that are flooding U.S. markets, an ...

Four combinations of flavors and nicotine led to heightened reinforcement-related behaviors: nicotine paired with menthol, ...

Federal health officials will allow Juul to keep selling its electronic cigarettes. The Food and Drug Administration said ...