Drivers under 25 are more likely to send text messages and make calls behind the wheel. They're also less able to handle distractions while driving. iStockphoto.com hide caption

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iStockphoto.com

A cross-sectional X-ray shows what's called a "sunken chest." The bright circle near the bottom is the spine; the gray blob on the right is the heart. Living LLC/Getty Images hide caption

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Living LLC/Getty Images

Magnets May Pull Kids With Sunken Chests Out Of Operating Room

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Condom use has dropped among black youth, even as teens engage in less risky sexual behavior overall. Mike Segar/Reuters/Landov hide caption

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Mike Segar/Reuters/Landov

Black Teens Are Getting The Message On HIV, But Risks Are Still There

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Child life specialist Kelly Schraf helps to put at ease Yoselyn Gaitan, 8, who had surgery on her cleft palate, at Children's National Medical Center in Washington, D.C. Jenny Gold for NPR hide caption

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Jenny Gold for NPR

Hospital Specialists Help Remind The Sickest Kids They're Still Kids

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Cambodian children and their parents sitting at Kantha Bopha Children's Hospital in Phnom Penh on July 5. Khem Sovannara/AFP/Getty Images hide caption

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A Cambodian doctor examines a child at Kantha Bopha Children's Hospital in Phnom Penh. Khem Sovannara/AFP/Getty Images hide caption

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Khem Sovannara/AFP/Getty Images

Data from the Twins Early Development Study shows areas in the U.K. where the effect of environmental factors, shown in pink, trumps the influence of genes, shown in blue, and vice versa. TEDS hide caption

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TEDS

First Lady Michelle Obama gardens in Soweto township, in Johannesburg, South Africa. The first lady has planted a garden on the South Lawn of the White House — it's the first vegetable garden to be planted there since Eleanor Roosevelt's victory garden. Charles Dharapak/AFP/Getty Images hide caption

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Charles Dharapak/AFP/Getty Images

First Lady: Nation's Health 'Starts With Our Kids'

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A nurse in Washington administers the whooping cough vaccine to a child in May. In response to the epidemic, more than 82,000 adults have also received the vaccine this year. Ted S. Warren/AP hide caption

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Ted S. Warren/AP

Doctors Deploy Shots And Drugs Against Whooping Cough Outbreak

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