December 17, 2013 Vitamin deficiencies can cause deadly diseases like scurvy, and other major health problems like spina bifida. But for most people, adding a multivitamin to their daily routine doesn't affect their health at all, studies say. Still, 40 percent of Americans continue to take multivitamins.
December 16, 2013 Many soaps and other consumer products have chemicals that are advertised as antibacterial. But there's no evidence that they actually keep people from getting sick, the FDA says. And they may increase the threat of bacteria that are resistant to antibiotics.
December 16, 2013 Parents of newborns say they're often surprised to see how much bigger their older children suddenly look. Psychologists say that may be because mothers seriously underestimate the height of their youngest children, an error that could lead to more care and attention for them.
December 10, 2013 An NPR poll finds that most elementary school kids have physical education classes just one or two days a week. In response, parents and educators are getting kids to squeeze in walks, jogs and jumping jacks before, after and even during school.
December 9, 2013 Watching violent movies makes teenagers more aggressive, and that violence is almost always associated with sex, drinking and smoking. Violent characters in PG-13 movies are as likely to indulge in violent activities as those in R-rated flicks.
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 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 In a new poll, parents complain that their children are not getting nearly enough time for a basic school ritual: eating lunch. And that's worrying parents and administrators, given that about one-third of American kids are overweight or obese.
December 2, 2013 The polio outbreak in Syria has spread to four cities, and new cases are suspected each day. But U.N. agencies responsible for combating the outbreak can work only with the Syrian government. This limitation has hobbled vaccination efforts in rebel-held regions, where the virus was first detected.
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.
November 29, 2013 With babies getting bigger and moms' pelvises getting smaller, it's no wonder moms have problems in delivery these days. Inventors have come up with all kinds of devices to help babies into the world. Some seem promising, but others are a little far-fetched.
November 25, 2013 Developmental psychologists are trying to figure out what very small children know and when they know it. The answer: a lot, and a lot earlier than you think. One experiment finds that 18-month-olds can reason abstractly when sorting blocks, well before they are able to explain it.
November 25, 2013 Everybody knows that you're not supposed to smoke while you're pregnant because it's bad for the baby. But nicotine patches often used to help women quit may pose a risk, too, researchers say. Other forms of nicotine replacement may do less harm.
November 22, 2013 The number of children diagnosed with attention deficit hyperactivity disorder has been rising since the 1990s. Now, the CDC reports that two-thirds of children with a current diagnosis are being medicated — a jump of 28 percent from 2007 to 2011.