It's not news that smoking during pregnancy is a bad idea. But researchers are still learning the various ways it can affect a developing baby.

Although it's no secret that teens may experiment with alcohol or marijuana, more than 5 percent of them smoke pot or drink alcohol on school campuses.

It's often thought that children with autism also tend to have more stomach trouble than other children. But is that really the case?

Childhood obesity has gotten plenty of attention, but are behaviors that may prevent it really changing? A new report explored the state of physical activity among US youth.

Public anti-obesity efforts often promote weight stigmatization, such as using negative language or offensive stereotypes about obesity. But this view may have detrimental effects, especially in children.

Different medications exist that might effectively treat seizures in children with epilepsy. The best way to find out which ones work best is to compare them to one another.

Some medications that can help adults can be dangerous to the small, developing bodies of children. A new study found that one such medication may be used more than recommended in kids.

No vaccine is completely effective, so it's helpful to understand how effective different vaccines are when people decide whether to get vaccinated. Until now, there has been little information about the flu vaccine's effectiveness for children.

Not getting enough sleep can have serious effects on physical and mental health. This is particularly true for teens, whose bodies and minds are still developing.