Tiny patches of Tanzanian farmland contain more rats than do nearby forests. These rats are more likely to carry the bacteria that cause the plague in humans.
Nestle says it's removing artificial flavors and dyes from its chocolate candies, and Hershey's says it's shifting to simpler ingredients. The moves come amid growing demand for natural food.
A little-known part of the Affordable Care Act pays primary care doctors to help overweight seniors lose weight. So why aren't more seniors taking advantage of the free weight loss counseling?
A study argues that the density of restaurants and large-scale food retailers in parts of the U.S. has been a major factor in the rise of obesity. But some see it as a "chicken and egg" problem.
Selling unpasteurized milk across state lines is illegal because it poses a threat to public health. But raw milk sales are growing nonetheless. Legalization would let states regulate a risky market.
The opposable thumb you use to hold a pencil was long thought to be a defining aspect of humans. But an analysis of finger bones suggests stone tool use by pre-humans — perhaps 3 million years ago.
Eye drops are unpleasant, and they don't do a great job of delivering medication to the eye. A superthin wafer that slowly dispenses medication and then dissolves is a promising replacement.
Being falling-down drunk is often played for laughs on YouTube videos, but those videos don't show the downside of getting trashed. That can't be good for teenagers and young adults, researchers say.
Drugs can tamp down the hallucinations and delusions associated with schizophrenia, but at a cost. A newer approach to treatment aims to teach people to tune out the distractions instead.
College freshman Lauren Hill has a rare form of brain cancer. One of her dying wishes was to play college basketball, and the NCAA allowed a game to be moved up by two weeks so she could.