Have you ever been at a restaurant table where everyone ordered a salad? A new finding may explain why this happens: When we order in groups, we like to be similar to our...
More than three decades ago, researchers successfully combined sperm and egg in a lab dish to produce the first children born from in vitro fertilization (IVF), sometimes...
Nearly 80 percent of young people in the United States who die are killed by injuries, and more than half of these injuries are unintentional, such as those sustained in car...
Serious reactions to vaccines are rare among children, according to a new review of vaccine safety in kids, which also refutes any link between vaccines and autism
Some children who have a normal body mass index (BMI) might actually be obese, because they have extra body fat that's not picked up by the measurement, a new study says
The current outbreak of Ebola in West Africa is now the largest in history, but how likely is it to spread to the United States or other countries around the world?
Your smartphone harbors thousands of types of bacteria, and these may provide a window into the microbes that live on your body and in your surroundings, a new study suggests
As fitness trackers like Fitbit Zip and Jawbone Up gain popularity, it was only a matter of time before kids got their own version of the activity-tracking devices.
The percentage of sexually active teens who use condoms has declined over the last decade, according to a new report from the Centers for Disease Control and Prevention
Gay men who hook up by using smartphone apps may be at higher risk for some sexually transmitted infections than men who find sexual partners through online dating, or in bars...