February 25, 2013 There's no evidence that calcium supplements help prevent bone fractures in most people, a preventive services task force says. And calcium supplements boost the risk of kidney stones, and perhaps heart disease.
February 25, 2013 The new guidelines for treating childhood ear infections are intended to reduce unnecessary antibiotics use. They say doctors should look at the eardrum to make sure a child really has an ear infection, instead of relying on symptoms. And if the child doesn't have severe symptoms, see if the ear gets better on its own.
February 21, 2013 It appears that the current batch of flu vaccine is only about 9 percent effective in protecting people 65 and older against the H3N2 flu strain that's causing the most illness. Even so, health officials still recommend vaccination.
February 21, 2013 Emergency contraceptives like Plan B and ella are effective at preventing pregnancy after unprotected sex. Claims that the pills are tantamount to abortion, however, aren't supported by science, say researchers. The only way the drugs work is by stopping a woman's body from ovulating.
February 21, 2013 Dr. Sam Parnia researches the experiences of cardiac arrest patients in the time between when their hearts stop and when they are brought back to life. Parnia thinks of these experiences as actual-death experiences as opposed to near-death experiences.
February 21, 2013 A broad array of medical groups has agreed on an expanded list of things doctors shouldn't do. The idea is to curb unnecessary, wasteful and often harmful care, the sponsors say.
February 20, 2013 3-D printing can be used to make food, guns and maybe human ears. Researchers say that using collagen to print out ear cartilage solves a lot of the problems in making new ears for people with birth defects or injuries.
February 20, 2013 KHNEssential benefit requirements apply mainly to individual and small group plans. The federal requirements also affect benefits provided to people newly eligible for Medicaid coverage. Now, for instance, we know that insurers won't be allowed to can't charge consumers a copay for a screening colonoscopy, even if a polyp is removed.
February 20, 2013 Pharmaceuticals were involved in more than half of the 38,329 overdose deaths in the U.S. in 2010. Opioid painkillers, such as hydrocodone, were the most common prescription drugs involved. But drugs for mental health conditions were also implicated often.
February 18, 2013 Al Roker won fame as the ever-smiling weatherman on NBC's Today show. But he also endured years of indignities because of his weight. That was until he had bariatric surgery, and lost more than 100 pounds. During this encore presentation, Roker talks with host Michel Martin about his experiences, and his latest book, Never Goin' Back.
February 14, 2013 Kittens regained sight in a blind eye after being plunged into darkness for 10 days. Researchers say that prolonged darkness may reset the brain to an earlier stage of development, allowing the kittens to recover their vision.