Puberty is an important milestone on the road to growing up. But hitting puberty early may lead some kids to try adult substances earlier than other kids.

The environment around a pregnant woman can influence a growing baby. High levels of pollution may be one thing that affects a developing baby.

Bipolar disorder has been previously linked with substance abuse in adolescents. It's possible that certain symptoms or behaviors can help target youth before they develop a substance use disorder.

Children with autism can have difficulties with communication skills, social interaction and repetitive patterns of behavior. Might they have difficulties with sleeping patterns as well?

It was only a few decades ago that kids could recognize Joe Camel as easily as they recognized Mickey Mouse. Young children's ability to recognize cigarette brands appears to be global.

The issue of brain injury in children from playing sports has gained attention over the past several years. But that doesn't mean the injuries themselves have gotten worse.

Diagnosing very young children with behavioral conditions can be challenging. Deciding how to treat them, and whether to use medication, is a challenge as well.

Babies born very early during pregnancy can be at risk of having developmental issues. But how exactly are preterm offspring's lives affected?

Children with autism develop at different rates and often in different ways than children without autism. There may be links between their motor skills and their development.

It’s illegal to sell alcohol and cigarettes to minors, but many underage youths get ahold of these substances anyway. It may be that friends and family are providing access.