In general, researchers have found that kids understand the need for some rules, particularly safety rules like not hitting other children. But when it comes to parents dictating what a child should wear or who they should play with, many kids resist. iStockphoto.com hide caption

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In response to reports of cars unexpectedly surging forward, researchers set up some experiments to study the problem. The results were somewhat surprising. iStockphoto.com hide caption

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In drug-testing, the researchers usually don't know which patients get the drug and which get the placebo. iStockphoto.com hide caption

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Bipolar may not be the right diagnosis for some kids, according a panel of experts with the American Psychiatric Association. iStockphoto.com hide caption

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A new approach for the mental health community, "psychological first aid," takes a more practical, social work stance when dealing with disaster survivors. "You can't find your son? Well, this is who you need to talk to at the Red Cross to find your son." Stan Honda/AFP/Getty Images hide caption

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Katie Benghauser, 57, has been diagnosed with osteopenia and takes Fosamax as treatment to prevent osteoporosis. Coburn Dukehart/NPR hide caption

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