Teen sexting is associated with mental health issues and risky behavior, according to a new study. But teens and their parents shouldn't panic. Credit: nito100/Getty Images A major new study found ...

The riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...

An international research team has linked genes and brain anatomy with the human propensity for risky behaviors, such as smoking, alcohol and drug use, speeding, or frequently changing sexual partners ...