People visit a memorial outside Sandy Hook Elementary School in Newtown, Conn., on Dec. 15. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images

Shootings Leave Sandy Hook Survivors Rethinking The Odds

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An overweight child reads her part during a skit that was in a 2010 program promoting healthy lifestyles sponsored by Children's Hospital near Denver. John Moore/Getty Images hide caption

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John Moore/Getty Images

According to a study published in Pediatrics, boys are entering puberty six months to two years earlier than they did in past studies. iStockphoto.com hide caption

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iStockphoto.com

Like Girls, Boys Are Entering Puberty Earlier

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People at a Denver party early this month celebrate the recognition of an amendment to the Colorado constitution legalizing recreational use of marijuana. Brennan Linsley/AP hide caption

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Brennan Linsley/AP

There's new evidence that kids can reduce calories and feel full by snacking on veggies and cheese instead of chips. famfriendsfood/Flickr.com hide caption

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famfriendsfood/Flickr.com

A woman holds a child as people line up to enter the Newtown Methodist Church near the scene of the elementary school shootings in Newtown, Conn. Douglas Healey/Getty Images hide caption

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Douglas Healey/Getty Images

Does a little sugar water before shots really help ease a babies' pain? If only they could tell us. Dmitry Naumov/iStockphoto.com hide caption

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Dmitry Naumov/iStockphoto.com

Did eating binges come first? iStockphoto.com hide caption

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iStockphoto.com

Maribel Ramos, 13, has both sickle cell disease and an abnormality of blood vessels called moyamoya. Both put her at risk of stroke, and, together, they add up to a 95 percent chance of a major stroke. Richard Knox/NPR hide caption

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Richard Knox/NPR

As Childhood Strokes Increase, Surgeons Aim To Reduce Risks

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A boy works at an illegal gold mine in northern Nigeria. Lead from these mines has sickened thousands of children in the region. David Gilkey/NPR hide caption

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David Gilkey/NPR