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Teens' brains are more sensitive to rewarding feedback from peers

Teenagers are risk-takers -- they're more likely than children or adults to experiment with illicit substances, have unprotected sex, and drive recklessly. But research shows that teenagers have the knowledge and ability to make competent decisions about risk. So what explains their risky behavior? Scientists argue that this risky behavior may reflect the unique effect of peer influence on the still-developing teenage brain.
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