is there any truth behind the “5 second rule”? How long does it actually take for germs to contaminate food once it’s on the ground?

Question

For the sake of the experiment, let’s assume we’re talking about a kitchen floor.

In: Biology

Answer 1

Children have a really hard time telling how much time has past, and also have difficulty telling how clean or dirty a floor is. Parents use this to their advantage. Drop a lollypop in the grass? 5 second rule, don’t eat. Drop a crisp in the kitchen? It’s probably fine