Rebellious behavior in teens is common and normal—but should you ever be worried if your teen displays defiant behavior? Sometimes, defiant behavior in teens can be a cover for more serious emotional ...

Understanding Teen Behavior The adolescent years bring about considerable transformations in both physical and mental aspects ...

Teenage boys behavior problems may stem from unique brain chemistry affecting cortisol levels under stress, hinting at a biological basis. "Most research has looked at social factors like peer groups, ...

Add Yahoo as a preferred source to see more of our stories on Google. A biennial report on teen health from the Centers for Disease Control and Prevention focused this year on high schoolers playing ...

A new study from Dartmouth College identifies a causal relationship between behavioral impulse control and an imbalance in brain function between the orbitofrontal cortex (OFC) and nucleus accumbens ...

Adolescence is a time when children test their footing to convince themselves they can stand on their own. As teens move toward independence, they can often be particularly challenging to parents as ...

If you purchase an independently reviewed product or service through a link on our website, SheKnows may receive an affiliate commission. You know what they say: Bigger kids, bigger problems. And it’s ...

The company you keep in junior high school may have more influence on your smoking behavior than your high school friends, according to newly published research from the University of Southern ...

Researchers explored the long-term effects of preschool expansion in Japan in the 1960s, revealing significant reductions in risky behaviors amongst teenagers. By analyzing regional differences in the ...

Philadelphia – Teen passengers in motor vehicles practiced safer behaviors in 2011 than previous years, according to a new study (.pdf file) from the Children’s Hospital of Philadelphia and State Farm ...

I have two teenagers, and so I am very familiar with teenage defiance. Talking back, arguing, not listening to reason or rules – I’ve seen it all. The other day, one kid blew a fuse after I asked him ...