Physical exercise, diet and supportive counseling are the first steps of any weight-loss program. But sometimes that's not enough to take large amounts of weight off, and keep it off, doctors say. 13/Ocean/Corbis hide caption

toggle caption 13/Ocean/Corbis

Surgery Helps Some Obese Teens In Battle To Get Fit

  • Download
  • <iframe src="https://www.npr.org/player/embed/455007824/455049139" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

E-cigarettes work by heating up a fluid that contains the drug nicotine, producing a vapor that users inhale. The devices are most popular among young adults, ages 18 to 24, a federal survey indicates. iStockphoto hide caption

toggle caption iStockphoto

Most E-Cigarette Users Are Current And Ex-Smokers, Not Newbies

  • Download
  • <iframe src="https://www.npr.org/player/embed/452277042/452466419" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The large British study, begun in 1958, tracked the diet, habits and emotional and physical health of thousands of people from childhood through midlife. iStockphoto hide caption

toggle caption iStockphoto

Childhood Stress May Prime Pump For Chronic Disease Later

  • Download
  • <iframe src="https://www.npr.org/player/embed/444451363/444527520" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Maria Fabrizio for NPR

Playing Youth Sports Takes A Lot More Green Than It Used To

  • Download
  • <iframe src="https://www.npr.org/player/embed/437000903/438228510" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

People who don't get enough sleep show higher levels of inflammation, say scientists who study colds. Smoking, chronic stress and lack of exercise can make you more susceptible to the viruses, too. Frederic Cirou/PhotoAlto/Corbis hide caption

toggle caption Frederic Cirou/PhotoAlto/Corbis

Sleep More, Sneeze Less: Increased Slumber Helps Prevent Colds

  • Download
  • <iframe src="https://www.npr.org/player/embed/436385137/436525824" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Detweiler was surprised to learn she wasn't eating enough to fuel her training regimen. As an athlete, doctors and nutritionists say, she needed more food variety and more calories — three snacks daily, as well as bigger meals. Courtesy of Nationwide Children's Hospital hide caption

toggle caption Courtesy of Nationwide Children's Hospital

To Thrive, Many Young Female Athletes Need A Lot More Food

  • Download
  • <iframe src="https://www.npr.org/player/embed/435294539/436229374" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Ten-year-old Jake Herrera and his Los Angeles team run around the diamond as a warmup for baseball practice. Benjamin B. Morris for NPR hide caption

toggle caption Benjamin B. Morris for NPR

Benefits Of Sports To A Child's Mind And Heart All Part Of The Game

  • Download
  • <iframe src="https://www.npr.org/player/embed/418899249/419076242" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Dr. Donald Brown inoculated Kelly Kent with the HPV vaccine in his Chicago office in the summer of 2006 — not long after the first version of the vaccine reached the market. Charles Rex Arbogast/AP hide caption

toggle caption Charles Rex Arbogast/AP

Kids as young as 13 purchase e-cigarettes, or "vape pens," online, where independent sellers don't necessarily ask a buyer's age. Jenny Lei Bolario/Youth Radio hide caption

toggle caption Jenny Lei Bolario/Youth Radio

Candy Flavors Put E-Cigarettes On Kids' Menu

  • Download
  • <iframe src="https://www.npr.org/player/embed/276558592/278389305" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Solid friendships can help buffer life's stress. iStockphoto hide caption

toggle caption iStockphoto

Teens Who Feel Supported At Home And School Sleep Better

  • Download
  • <iframe src="https://www.npr.org/player/embed/248885401/248934802" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Heavy Teens Eat Less But Weigh More Than Their Thinner Peers

  • Download
  • <iframe src="https://www.npr.org/player/embed/160892397/160902025" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption Mike Segar/Reuters/Landov

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/157300365/157313873" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript