The information carried in a man's sperm cells may depend on his body weight, a small new study finds.
Young adults who spend too much time in front of the TV may start seeing the effects of this as early as middle age, a new study finds.
A safe sleeping environment is crucial for preventing Sudden Infant Death Syndrome (SIDS). But other factors are important too.
The chikungunya virus usually causes fever and severe pain, but it may also lead to brain inflammation and even death, a new study shows.
The headaches, low-energy feelings and other signs of PMS may signal an important health risk for women.
Lonely people may have worse health than those who are less socially isolated. New research points to why.
People who have lost their voice due to vocal cord tissue damage could some day be helped by a new advance: Lab-grown vocal tissue.
Researchers are starting to better understand sexual assault on colleges campuses, and some of the risk factors that it may involve.
Kids are developing infections that are hard to treat because the bacteria are resistant to the drugs commonly used in raising farm animals.
Commercials for kids' snacks may lead parents to think the foods are healthier than they really are, researchers suggest.
Tummy tucks have a higher rate of major complications than other cosmetic plastic-surgery procedures, according to a new study.
Many websites that promote unscientific views about vaccinations use pseudoscience and misinformation to spread the idea that vaccines are dangerous, according to a new study.
People in the U.S. are now eating healthier -- and 1.1 million premature deaths were prevented by our healthier habits. But there's still quite a bit of room for improvement, a new study finds.
Kids who live in a house with a dog before they turn 1 have a lower risk of asthma a few years later, a new study suggests.
Women's lifespans may be linked to the age of their first period, or when they have their first child, a new study suggests.