July 2, 2013 The same genes that allow humans to sense sweet and umami flavors may play a key role in a man's reproductive fitness. Researchers found that inactivating these genes in mice can led to sterility of males.
July 1, 2013 Many young children get surgery for ear tubes to prevent infections, but it can be hard to figure out which children will benefit. The first guidelines on when children need tubes could help reduce the confusion.
June 28, 2013 Under final regulations issued Friday, most employers will have to provide contraception — at no charge to their employees — as part of their health insurance plans. There are exceptions for religious groups and alternatives for their affiliated organizations.
June 28, 2013 People who were forced to stay up until the wee hours in a sleep lab ate food packing more than 500 extra calories. For people who regularly miss out on sleep, these late-night calories can really add up.
June 27, 2013 Scientists were surprised to find that people who have had a concussion or other traumatic brain injury are more likely to have a stroke in the next few years. That's particularly true for people under age 50. But scientists don't know for sure if the brain injuries are the cause of the strokes.
June 27, 2013 The Natural Resources Defense Council released its annual beach report card, detailing the levels of bacteria measured at beaches across the nation. Several beaches on the East Coast get gold stars.
June 26, 2013 Once the dust settles and new policies can be drawn up, federal employees in same-sex marriages will be able to enroll their partners in the Federal Employees Health Benefits Plan. For lower-income people seeking coverage under Obamacare, marriage may not provide a financial advantage.
June 26, 2013 An experiment with runners in the Italian Alps finds that extremely long races don't always lead to more muscle fatigue than those that were merely very long. Smart pacing and strategic naps help ultramarathoners cope with the challenges.
June 26, 2013 Researchers are trying to figure out if it really is possible to be addicted to food. A study of brain activity finds there's more going on in areas linked to reward and addiction after people drink a shake with lots of refined carbohydrates. But it's not clear how that factors into overeating.
June 26, 2013 The vast majority of the animals are used in studies of things like genetics and behavior. But in recent years, the scientific community has begun to feel even these studies are unnecessary.
June 26, 2013 Men with low-grade prostate cancer are choosing robotic surgery and other expensive treatments, even though they probably don't need treatment at all, a study says. Less testing and waiting before deciding to treat would reduce harmful side effects in many cases.
June 26, 2013 There have been nagging questions about whether nitrous oxide during surgery raises the risk of heart attacks and other problems. Now, there's some reassurance, though no definitive answer, from a study that looked at the widely used anesthetic.
June 25, 2013 Researchers were surprised to find that people with Type 2 diabetes who lost a lot of weight didn't lower their risk of heart attacks or strokes. They did have better control of their blood sugar and saw other health benefits.