David Vetter was born without a functioning immune system and spent his life in a bubble that protected him from germs. He died at age 12 in 1984. Scientists are using gene therapy to treat the disorder so that children can live normally.
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 5, 2013 The notoriously short night's sleep that many tired adolescents get isn't all about surging hormones and too much homework, according to a sociologist who looked at shifting sleep patterns from ages 12 to 15. Teens who report good relationships with family and schoolmates tend to sleep better.
December 4, 2013 For years doctors have been telling women that it's risky to implant multiple embryos when they do in vitro fertilization. They've listened, and the number of multiples from IVF has dropped. But the number of births of triplets or more has barely budged because of women's use of fertility drugs.
December 4, 2013 A meningitis outbreak at the University of California, Santa Barbara is causing the same kind of illnesses seen earlier at Princeton, but public health officials say a different bacterial strain is to blame. The UCSB health service has given preventive antibiotics to over 700 students as a precaution.
December 4, 2013 People across the country hit a perplexing snag when trying to sign up for insurance on the federally run website. The site asked about their incarceration status, then locked up. The so-called prison glitch that stymied insurance shoppers has been fixed.
December 3, 2013 A new kind of mammogram that takes many X-rays to make a three-dimensional image can help doctors find cancer and reduce false alarms. But it's still unclear who might benefit from the technique, and whether it's worth the higher cost and double dose of radiation.
December 3, 2013 The proposition that some extra weight may not be a health worry has sparked a heated medical debate. Some studies have found that a little extra fat might have benefits. A new analysis suggests that for almost all people excess weight increases the risk of death and disease.
December 2, 2013 KHNThe technological trials for the online health insurance exchanges have turned an enrollment period that was supposed to be a leisurely three-month stroll into a last-minute sprint for millions of Americans. People who want coverage that starts at the beginning of 2014 need to sign up no later than Dec. 23.
December 2, 2013 Scientists agree that teenagers naturally go to bed late and sleep late, too. But high school start times are traditionally very early. Proponents of later start times say they're finally getting traction. The result, they say, will be happier kids who do better in school.
December 2, 2013 Teenagers say their parents often don't realize how overwhelmed they feel about school. Psychologists say parents can help children manage their expectations and live a more balanced life, even if it means not racking up as high a GPA as their friends.