News tagged with images

Regular marijuana use bad for teens' brains

Frequent marijuana use can have a significant negative effect on the brains of teenagers and young adults, including cognitive decline, poor attention and memory, and decreased IQ, according to psychologists ...

Aug 09, 2014
popularity 3.4 / 5 (10) | comments 7

Brain's dynamic duel underlies win-win choices

People choosing between two or more equally positive outcomes experience paradoxical feelings of pleasure and anxiety, feelings associated with activity in different regions of the brain, according to research ...

Jul 24, 2014
popularity 3.7 / 5 (6) | comments 0

All-clear for nonlinear optical imaging

High power femto-second laser pulses used for in vivo nonlinear optical imaging can form DNA products, which may lead to carcinogenesis. A modified cancer risk model now shows that the cancer risk is negligible ...

Jul 24, 2014
popularity 5 / 5 (3) | comments 0