The lack of evidence has not stopped doctors from heavily prescribing that drug, whether in a stand-alone form sold as Zetia or as a combination medicine called Vytorin. Aided by extensive consumer advertising, sales of the medicines reached $5.2 billion last year, making them among the best-selling drugs in the world. More than three million people worldwide take either drug every day.
For Widely Used Drug, Question of Usefulness Is Still Lingering
President Barack Obama has announced a new initiative at the National Institutes of Health in pursuit...
