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

toggle caption 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

toggle caption Charles Dharapak/AFP/Getty Images

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/154854113/154853977" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption Ted S. Warren/AP

Doctors Deploy Shots And Drugs Against Whooping Cough Outbreak

  • Download
  • <iframe src="https://www.npr.org/player/embed/154596834/154738923" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Contact with animals and dirty environments may be one reason farm kids are less likely to get allergies, researchers say. iStockphoto.com hide caption

toggle caption iStockphoto.com

To Sniff Out Childhood Allergies, Researchers Head To The Farm

  • Download
  • <iframe src="https://www.npr.org/player/embed/154593662/154738925" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Is Football Safe For Young Players?

  • Download
  • <iframe src="https://www.npr.org/player/embed/154509586/154509579" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Children Getting CT Scans At Higher Risk For Cancer

  • Download
  • <iframe src="https://www.npr.org/player/embed/154464595/154464840" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Isabel Doran, 4, gets a CT scan at Children's National Medical Center with her mom, Veronica Doran. The X-ray radiation in CT scans raises the risks for cancer, including leukemia, a new study shows. Dayna Smith/The Washington Post/Getty Images hide caption

toggle caption Dayna Smith/The Washington Post/Getty Images

CT Scans Boost Cancer Risks For Kids

  • Download
  • <iframe src="https://www.npr.org/player/embed/154421129/154485326" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Remembering A Son In 'Immortal Bird'

  • Download
  • <iframe src="https://www.npr.org/player/embed/154148666/154148655" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

New Haven Public Schools' summer food truck will deliver an expected 40,000 free meals to kids in eligible neighborhoods during July and August. Timothy Cipriano/New Haven Public Schools hide caption

toggle caption Timothy Cipriano/New Haven Public Schools