DARK DAYS A controversial new study concludes that major depression does not afflict more people during winter months.
CAPPED This 3.5-by-1.2-centimeter capsule can be swallowed to measure gut gases and send its findings to a smartphone. Researchers in Australia tested the device in pigs fed different amounts of fiber.
K. Kalantar-zadeh et al/Gastroenterology 2016
HEADS UP The brain needs time to recover between brain injuries, a study in mice suggests. The finding may help doctors understand potential injuries to athletes, including soccer players who repeatedly head the ball.
Psychopaths often don’t fit movie stereotypes, but they share particular characteristics. New research shows that, contrary to popular thought, cognitive behavioral therapy can help some psychopaths stay out of prison.