Health

Brain scans predict at-risk teens’ drug use two years later

Impulsive behavior in teens can go hand in hand with drug use, but the link is weak and doesn’t necessarily predict future behavior. A Stanford psychologist and colleagues think they can do better, using images of the brain.

Glowing mice suggest new gene therapy technique

A collaboration between chemists and gene therapy experts produced a new way of inserting the code for modified proteins into the cells of mice. If successful in humans, the technique could be useful for vaccines or cancer therapies.