Related topics: adolescents · drug

Solving a hairy forensic problem

For decades, forensic scientists have tested strands of hair to reveal drug use or poisoning. But in recent years, reports have questioned the technique—in particular, its ability to distinguish between the intake of a ...

Research shows negative effects of half-siblings

Adolescents who have half-siblings with a different father are more likely to have used drugs and had sex by age 15 than those who have only full siblings. That's according to new research from Karen Benjamin Guzzo, an assistant ...

Raunchy Vine videos prompt adult rating

The propensity for people to post porn evidently prompted Twitter on Wednesday to stamp an adult rating on an updated version of its Vine video-snippet sharing software.

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