Has a history of extreme impulsiveness or an increase in risk-taking behaviors, such as: Drinking and driving.

As for risk-taking behavior, tobacco use did not differ substantially between the two groups.

Alcohol, Injury, and risk-taking behavior: data from a national sample.

Male gender roles tend to emphasize greater levels of strength, independence, and risk-taking behavior.

But what about the recurrent pattern of risk-taking behaviors?

"She's really had it with my risk-taking behavior," he confides to a fellow therapist.

- Your headline focuses again on the problems of risk-taking behaviour.

"It's risk-taking behavior, you know," he explained in a quiet voice that sounded like his bedside manner.

Young adolescence is a time when risk-taking behavior accelerates and the peer group becomes extremely important.

Part of boys' risk-taking behavior is driven by the constant changes chugging away in their brains as they grow.