Girls are twice as likely as boys to be diagnosed with depression, and researchers in London have now uncovered clues as to why.

After recent scary headlines about the things we eat, ranging from Girl Scout Cookies and sugar-free slushies to protein ...

A new study says that married men may have triple the risk of obesity, compared to unmarried men, and that marriage seems to ...

Two new studies suggest cannabis carries very serious heart health risks, including that people under 50 who use it are more than six times as likely to have a heart attack, compared to nonusers.

Public opinion about vaccines affects furry friends too. We asked veterinarians and other experts to explain the most common misconceptions about animal vaccines.

Critics say a new, broader definition of high-risk plaque opens the door to more tests, diagnoses, and invasive procedures, steering us down a potentially harmful path.