2. Living by the five-second rule
We are all guilty of doing this, even if we don’t admit it. It’s not okay to eat a snack that just hit the floor just because you live by the “five-second rule.”
Research shows, however, that this piece of wisdom is actually a myth. Yes, the longer something stays in contact with a dirty surface, the more bacteria it will pick up. But germs can be picked up in as little as one second, so wash it or toss it—the damage is done.