July 10, 2013 When members of a choir sing, their heart rates quickly become synchronized, beating in the same rhythm. Researchers think this may be why singing together is a key part of religious rituals around the world, and such a joy for the singers.
July 10, 2013 A body of evidence suggests artificial sweeteners — most often consumed in diet drinks — could raise the risk of weight gain and type 2 diabetes. Some researchers think that artificial sugar may confuse the body.
July 10, 2013 Three years ago, the Catholic Health Association, whose members run hospitals and nursing homes across the country, backed passage of the federal health law. The U.S. Conference of Catholic Bishops, which represents the hierarchy of the church, opposed it. The groups remain divided over the law's requirement for most employer-based health insurance plans to provide women with contraceptives.
July 9, 2013 A parasite that plays a role in a range of human illnesses may be more common than you thought. More than a million cats in the U.S. are thought to be spreading the parasite.
July 9, 2013 Pediatricians have long asked parents if they have guns in the home, in an effort to reduce accidents and suicides in children and teens. That could help protect older patients too, a study says. But the notion of doctors asking about gun ownership is controversial.
July 9, 2013 More than half of health-related websites checked by a health policy researcher used trackers that could provide data about visitors to third parties. Some also shared search terms that could be linked to a visitor.
July 8, 2013 One-quarter of youths surveyed in a hospital emergency room after being injured in an assault possessed a firearm, a study finds. Many said they needed guns to feel safer or for revenge. Addressing those fears could reduce homicide rates among teens.
July 8, 2013 There are tests for heart attacks and diabetes, but few for brain disorders. Researchers are trying to change that, but are finding the hunt for biomarkers for mental illness to be a tough slog. Tests on the market, like ones for Alzheimer's, are not conclusive.
July 5, 2013 Millions of people take aspirin to avoid heart attacks and strokes, but it doesn't work for everyone. Researchers say they've found a group of genes that could be used to identify people who aren't helped by aspirin. The question is whether there are other remedies that would help.
July 5, 2013 Five people burst into flames last year after spray-on sunscreen ignited on their skin. The manufacturer has recalled those sprays, but the Food and Drug Administration says sprays can still pose a fire risk because they include flammable chemicals. So spray carefully, or opt for a shirt.