Merck & Co Inc's Roger Perlmutter, a force behind the success of blockbuster cancer drug Keytruda, will retire after seven years at the helm of the company's research and development division, the U.S ...

As Americans take more gummies, pills and powders than ever, some physicians are trying to convince patients to be a bit more careful.

When we use the term “drug interaction” we’re describing situations where one substance changes the way another works in the body. That can mean a change in how a drug is absorbed, distributed, ...