The HCG Diet: Behind the Hype

First popularized in the 1950s, the HCG diet is having another moment. But what is it, exactly?

New Antidepressant Targets Body Clock

Doctors have long prescribed over-the-counter melatonin for insomnia and other sleep disorders, and even as a remedy for jet lag. Some experts now believe that drugs that mimic the effects of melatonin might simultaneously stabilize the internal clock and help relieve depression.