Researchers have found a way to predict which teenage female athletes will stop menstruating, an important risk factor for bone thinning.

It's been one year since the Motion Picture Association of America pledged to make the movies that children see smokefree.

Creating a positive school climate in which students believe the school staff genuinely wants to hear from them about threats or possible attacks is critical to preventing future Columbine-like school violence.

While the summer months mean time off from school for teenagers, it also means more time spent at home. While on the surface most of us cherish the idea of more family time, teenagers can see it as torture, more rules, more chores, more criticism. From their perspective, they may as well be in school.

Observational study explores Seroprotection against serogroup C meningococcal disease in 11-33 years olds in the United Kingdom and find that one in five adolescents aged 11-13 years appear to have inadequate protection against meningitis C and a booster dose of vaccine may therefore be needed to sustain protection amongst teenagers.

Here's a great case study in media manipulation. Let's examine two articles about the teen risky behavior and sex in USA.

A new survey found that parents' personal past experiences with alcohol and drugs at prom and graduation parties may influence the rules and limits they set for their teens during this time of the year.

California has more teenage girls pregnant as the teen birth rate increased in the state in 2006, after 15 years of decline.

Cyberbullying, using the Internet, cell phones, or another type of communication technology to hurt or embarrass others, is an increasingly common problem among today's youth. In a recent study conducted by the National Crime Prevention Council and Harris Interactive Inc., more than 43% of teens ages 13-17 have experienced cyberbullying within the past year.