FRIDAY, Sept. 30 (HealthDay News) -- Going to bed early and waking up early may help teens stay thinner and more physically active than their night-owl peers, and this was the case even when both groups... more »

Affairs may do more than break hearts — they may break penises as well, a new study says. » more

They’re both popular fruits ideal for easy snacking, but in terms of getting fit and staying healthy, it’s better to swap out grapes for blueberries, according to nutrition experts. Blueberries are... more »

A new study blames peer pressure for ‘sexting’ among teenagers. Sexting is the practice of sending and received sexual images over cell phones and has been the focus of much media attention recently. Despite... more »

Twitter can track your mood, according to a new study. Cornell University researchers used the social networking sites to monitor the attitudes of 2.4 million people in 84 countries, revealing certain... more »

The recent listeria outbreak, which has caused 13 deaths so far, is the deadliest food-borne disease outbreak in more than a decade, according to federal health officials. In addition to the deaths, there... more »