“5秒法则”的真相

What doctors think about the 5-second rule

著名的食物“5秒法则”是真相还是谣言?掉在地上的食物到底能不能吃?

We've all dropped some food on the floor,only to pick it up instantly and eat it anyway.As long as it hasn't been on the floor for more than five seconds,it's probably okay,right?As we know,there's a"five-second rule".But this notorious five-second rule for years doesn't mean you're actually in the clear when it comes to avoiding germs and bacteria.