Is the five second rule too strict?Esther Inglis-Arkell9/13/11 10:00am741EditInvite manuallyPromoteDismissUndismissHideGo to permalinkAre you questioning the five second rule for how long food can stay on the floor before it's inedible? Well, don't. That's disgusting. But the important thing is that science has put the rule to the test! Find out just how gross you've been, over the years, and how much it matters.