HCR Update from Mark Sanna: In one of those satisfying moments where science confirms common sense, a British microbiologist from Aston University in Birmingham, England, has come to the conclusion that food from the floor is okay to eat as long as you pick it up really fast. “The findings of this study will bring some light relief to those who have been employing the five-second rule for years, despite a general consensus that it is purely a myth,” says Prof. Anthony Hilton, who led the study.