Psychology & Psychiatry

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 ...

HIV & AIDS

Chile's new sexual freedom leads to AIDS spike

The winds of change are blowing through Chile where a youthful sexual revolution is shattering taboos—but also sparking an explosion of HIV cases that has set off alarm bells in the traditionally conservative Latin American ...

Neuroscience

Scientists pinpoint brain circuit for risk preference in rats

Investigators at Stanford University have identified a small group of nerve cells in a specific brain region of rats whose signaling activity, or lack of it, explains the vast bulk of differences in risk-taking preferences ...

Pediatrics

Another study links 'Sexting' to sexual activity in teens

(HealthDay)—A new study of Dutch teens finds that few of them frequently engage in risky online activity related to sex, such as sending naked photos to strangers and searching for sex partners, but those who do are more ...

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