December 12, 2013 The Obama administration says the HealthCare.gov experience is getting better, but what's it really like? We asked Doug Normington of Madison, Wis., to let us peek over his shoulder as he tries to buy health insurance through the federal exchange. After many tries, success.
December 7, 2013 Earlier efforts to use gene therapy to treat a rare immune disorder in young children failed when some of the children got leukemia. Scientists say they think they may have figured it out, with eight children now living normal toddler lives.
December 6, 2013 The only person known to have been cured of AIDS got a bone marrow transplant, so when two AIDS patients in Boston appeared to be free of the virus after transplants, scientists hoped they were cured, too. But the HIV virus has returned in both.
December 5, 2013 The first in a new class of drugs that can cure the viral infection that is the leading cause of liver failure and liver cancer is poised for a marketing green light from the Food and Drug Administration. More than 3 million Americans have hepatitis C, but most don't know it.
December 2, 2013 The administration is pledging $100 million toward a project to stop HIV infections once and for all. There's growing optimism among scientists that it may be possible to get patients' immune systems to control HIV without drugs, or even to eliminate the virus from the cells of infected people someday.
November 26, 2013 A fresh analysis finds that the death toll from the H1N1 swine flu in 2009-10 was severely underestimated. The Americas were hit much harder than Europe or Australia. And the deaths occurred in a much younger population than normally affected by the flu.
November 20, 2013 By a standard test most African-Americans have low levels of vitamin D. But most African-Americans also have strong bones. It turns out that the problem is with the test, which was looking for a form of D more common in Caucasians. The variation is a result of human evolution.
November 18, 2013 Updated just last week by the American Heart Association and the American College of Cardiology, the new guidelines are based on old data, some heart doctors say, and may overestimate the real risk of heart attack and stroke. That could result in overtreatment with cholesterol-lowering drugs.
November 12, 2013 For decades, knowing your cholesterol number was the first step in preventing heart disease and stroke. Heart specialists would shift away from specific cholesterol targets under new guidelines. A risk-based approach tailored to each patient would become the new norm.
November 12, 2013 As horrific as Haiyan has been, the disaster likely won't reach the same level of death and injury as the Indian Ocean tsunami of 2004 or Haiti's 2010 quake, disaster specialists say. Better communication systems in the disaster area are one reason why.
November 5, 2013 The cancellations are making some people angry and many anxious. Opponents of the health law feel vindicated. They all cite the conflict between the cancellation notices and President Obama's repeated promise that people who like their existing health coverage could keep it.
October 31, 2013 A monkey virus that's a stand-in for HIV plummeted to undetectable levels when animals got potent antibodies of a type recently discovered in some humans. A single antibody injection was enough to do the job.
October 23, 2013 The news that a baby born HIV-positive in Mississippi stayed HIV-free even though her mother stopped giving her anti-retroviral drugs sparked skepticism earlier this year. But a new report says that the girl is still virus-free at age 3. This could jumpstart a global study on super-early treatment of HIV-positive newborns.