Rachel Bateman, 9, has braces to correct an overbite. Her orthodontist opted not to use expanders to expand her upper arch. Mike Ruocco/NPR hide caption

toggle caption Mike Ruocco/NPR

Braces For Young Kids Might Not Always Be Best

  • Download
  • <iframe src="https://www.npr.org/player/embed/130073442/130149466" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

This computer illustration shows a kidney stone in the renal pelvis. Although a major component of kidney stones is calcum, a new study shows that a calcium-rich diet may help inhibit their development. 3D Clinic/Getty Images hide caption

toggle caption 3D Clinic/Getty Images

This Too Shall Pass: Avoid Kidney Stones Through Diet

  • Download
  • <iframe src="https://www.npr.org/player/embed/129909820/129915503" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Books, Stress, Pizza: A Recipe For The 'Freshman 15'?

  • Download
  • <iframe src="https://www.npr.org/player/embed/129839360/129849451" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Keeping an active mind by doing things like playing chess helps stave off the development of dementia. Bulent Kilic/AFP via Getty Images hide caption

toggle caption Bulent Kilic/AFP via Getty Images

Mental Stimulation Postpones, Then Speeds Dementia

  • Download
  • <iframe src="https://www.npr.org/player/embed/129628082/129647744" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Slightly Premature Babies At Risk For Cerebral Palsy

  • Download
  • <iframe src="https://www.npr.org/player/embed/129556740/129562141" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A supporter of the Spanish team cries while watching the World Cup final soccer match, which Spain won 1-0.  Crying may have evolved as a signal to those who were in close physical proximity to us, but it also adds a powerful dimension to interpersonal communication Dani Pozo/AFP/Getty Images hide caption

toggle caption Dani Pozo/AFP/Getty Images

Teary-Eyed Evolution: Crying Serves A Purpose

  • Download
  • <iframe src="https://www.npr.org/player/embed/129329054/129370716" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Owen Levine, 3, helps make a broccoli and pineapple pizza for Meatless Monday. Colleen Levine hide caption

toggle caption Colleen Levine

Campaign Aims To Make Meatless Mondays Hip

  • Download
  • <iframe src="https://www.npr.org/player/embed/129025298/129076067" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Zac Visco For NPR

Healing Honey And The New Queen Bee(keepers)

  • Download
  • <iframe src="https://www.npr.org/player/embed/128574280/128614266" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Pine Nuts May Be To Blame For That Bitter Aftertaste

  • Download
  • <iframe src="https://www.npr.org/player/embed/128273771/128313402" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Mary VanDam pours coffee for patron Jim Brumm at Mr. B's Pancake House in Laketon Township, Mich. Cory Morse/Muskegon Chronicle via AP hide caption

toggle caption Cory Morse/Muskegon Chronicle via AP

Nervous About Alzheimer's? Coffee May Help

  • Download
  • <iframe src="https://www.npr.org/player/embed/128110552/128157172" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Scientists thought that people with stronger taste sensations would have needed less salt. TooFarNorth/Flickr hide caption

toggle caption TooFarNorth/Flickr

Why 'Supertasters' Can't Get Enough Salt

  • Download
  • <iframe src="https://www.npr.org/player/embed/127914467/127978138" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Youth teams play on an auxiliary outdoor rink before the 2010 New Year's Day Winter Classic NHL hockey game. New research shows that young players in leagues that allow checking are much more likely to suffer concussions and serious injuries than kids who play in leagues that ban it. Elise Amendola/AP hide caption

toggle caption Elise Amendola/AP

In Youth Hockey, 'Checking' Ups Risk Of Brain Injury

  • Download
  • <iframe src="https://www.npr.org/player/embed/127748445/127817676" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript