Aspirin helps reduce the risk of cardiovascular disease, but the jury's still out on cancer. iStockphoto.com hide caption

toggle caption iStockphoto.com

Cells gathered during a Pap test. Those on the left are normal, and those on the right are infected with human papillomavirus. Ed Uthman/Wikimedia Commons hide caption

toggle caption Ed Uthman/Wikimedia Commons

Doctors Revamp Guidelines For Pap Smears

  • Download
  • <iframe src="https://www.npr.org/player/embed/148520621/148617864" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

This would be considered a "once in a while" food. iStockphoto.com hide caption

toggle caption iStockphoto.com

Death By Bacon? Study Finds Eating Meat Is Risky

  • Download
  • <iframe src="https://www.npr.org/player/embed/148457233/148467404" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Coca-Cola says the caramel coloring in its signature soda has always been safe. OmerSukruGoksu/iStockphoto.com hide caption

toggle caption OmerSukruGoksu/iStockphoto.com

Coca-Cola Modifies Caramel Color To Avoid Cancer Warning Label

  • Download
  • <iframe src="https://www.npr.org/player/embed/148075310/148113757" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Many hospitals are perilously close to running out of a form of methotrexate that's necessary to inject in high doses to treat certain forms of cancer. iStockphoto.com hide caption

toggle caption iStockphoto.com

Latest Drug Shortage Threatens Children With Leukemia

  • Download
  • <iframe src="https://www.npr.org/player/embed/146960417/146969196" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Controversy Over Stem-Cell Research Keeps Charities On Sidelines

  • Download
  • <iframe src="https://www.npr.org/player/embed/146516913/146541239" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript