Double Dipping Spreads Germs Dipping the same chip into a bowl of dip more than once has always been a questionable practice. Now, a study done at Clemson University shows that double dipping does spread germs.
NPR logo

Double Dipping Spreads Germs

  • Download
  • <iframe src="https://www.npr.org/player/embed/18643879/18643854" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Double Dipping Spreads Germs

Double Dipping Spreads Germs

Double Dipping Spreads Germs

  • Download
  • <iframe src="https://www.npr.org/player/embed/18643879/18643854" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Dipping the same chip into a bowl of dip more than once has always been a questionable practice. Now, a study done at Clemson University shows that double dipping does spread germs.

Paul Dawson, a professor of food microbiology at Clemson, tells Liane Hansen that the idea for the study came from an episode of Seinfeld.