Black and Hispanic children who go to an E.R. with stomach pain are less likely than white children to receive pain medication and more likely to spend long hours in the emergency room, a new study reports.
Many new techniques and medicines are either no more effective than the old ones, or worse, and many doctors persist in using practices that have been shown to be useless or harmful, a new analysis shows.
Up to 52 percent of grocery store chickens tested positive for bacteria that can cause food poisoning. But chickens bought at farmers’ markets were the most contaminated of all, according to a small study in Pennsylvania.
The use of aspirin significantly reduces the risk for cancer, but no one knows why. Now researchers have found that aspirin and similar drugs sow the accumulation a type of DNA change that lead to uncontrolled cell growth.
Concerns about vaccines and the neurological disorder Guillain-Barré syndrome arose after the swine flu epidemic of 1976, but a new analysis found no link between the illness and vaccines for flu or other disorders.
Researchers found that among those who used public toilets in one college town, 10 percent did not wash their hands at all, and almost a quarter used no soap. Only 5 percent washed for longer than 15 seconds; the Centers for Disease Control and Prevention recommends rubbing vigorously with soap and water for at least 20 seconds.
Parents have long been encouraged to have their babies spend time on their bellies to encourage upper-body development. But a new study suggests that having infants sleep on their backs does not retard motor development and that “tummy time” may be irrelevant.
Following more than 5,000 people in six cities and air pollution data, researchers found that the greater the level of air pollution, the greater the thickening of the carotid artery, a known risk for heart attack and stroke.
Circumcision reduces a man’s risk of acquiring and transmitting H.I.V. and other sexually transmitted diseases, possibly because the procedure reduces the quantity and diversity of bacteria at the head of the penis.