Some companies use just enough scientific jargon to make false claims sound believable. Or they overstate their products' benefits while understating the risks.

The National Pharmacy Association has written to regulators calling for tougher rules following reports that some online sellers have set targets for clinicians to process more than 20 patients every ...

Consumer spending, which comprises the largest share of economic activity, surged in the December quarter, led by a pickup in motor vehicle sales. Investors maintained bets for further easing ...