More than half the young people in a recent study were at least mildly dehydrated — maybe enough to affect energy and concentration. Roughly 25 percent said they never drink water.
Research shows that, even with health insurance, many people put off expensive surgery, medicine and tests because they can't afford the high deductibles or copays. A few states hope to change that.
Babies may show greater empathy toward adults who overtly show sadness, a study suggests, but the little ones also recognize sadness in people who keep a stiff upper lip.
Scientists found a molecule crucial to perceiving the sensation of itching. It affects how the brain responds to serotonin, and may explain why anti-depressants that boost serotonin make some itch.
Will agricultural chemical dealers start selling microbes? Some big pesticide companies are investing in efforts to turn soil bacteria into tools that farmers can use to grow more food.
So the spread of the Middle East respiratory syndrome in South Korea is probably due to other factors, such as a delayed response to the outbreak and poor infection control at hospitals.
Graphic images showing the effects of melanoma, combined with photos promoting the positives of avoiding indoor tanning, were more persuasive than standard text warnings.
In countries like India, where vaccine records are kept on paper, kids often miss a dose — with potentially fatal results. Now some Yale students have come up with a high-tech (and cheap) solution.