The Science Behind the 'Five Seconds Rule' If food falls on the ground, is it still safe to eat if it's picked up swiftly? Science experts weigh in on the health merits of the so-called "five seconds rule." But the "stickiness" of germs proves resistant to the span of time elapsed.
NPR logo

The Science Behind the 'Five Seconds Rule'

  • Download
  • <iframe src="https://www.npr.org/player/embed/3137043/3137044" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
The Science Behind the 'Five Seconds Rule'

The Science Behind the 'Five Seconds Rule'

The Science Behind the 'Five Seconds Rule'

  • Download
  • <iframe src="https://www.npr.org/player/embed/3137043/3137044" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

If food falls on the ground, is it still safe to eat if it's picked up swiftly? Science experts weigh in on the health merits of the so-called "five seconds rule." But the "stickiness" of germs proves resistant to the span of time elapsed.