Children who sleep poorly may exhibit behavioral problems similar to those caused by attention-deficit hyperactivity disorder (ADHD). Parents may want to ask their physician if pediatric sleep apnea could be contributing to a child's hyperactive behavior.

The first study of mental-health problems among U.S. troops returning from Iraq finds one of every eight soldiers reporting symptoms of post-traumatic stress disorder. A VA psychiatrist says the military is providing more resources than ever to help troops cope with the psychological after-effects of war.

The rate of early-childhood vaccination is rising in the U.S. However, children in several minority groups lag well behind. A national task force found that children of undocumented immigrants are one of the largest under-vaccinated groups in the country.

Dermatologists say sun-worshipping teenagers could be putting themselves at risk for skin cancer later in life. But this health message isn't getting through to many adolescents. One expert says it might be more effective to warn teens about an even more terrifying risk: looking old. . . .