Justin Sullivan / Staff

Double Dipping Versus the Five-Second Rule

If you double dip a chip, you contaminate the bowl of dip with bacteria.  If you drop food on the ground, pick it up, and eat it thanks to the five-second rule, it's also got bacteria on it.  But which of those moves is RISKIER?According to a new study by a food scientist . . . a bowl of dip where someone's double dipped is filled with MORE bacteria than the average floor.

He found that when you dip a chip into a double dipped bowl, it picks up WAY more bacteria than you would if someone hadn't double dipped.

And since those are germs that go from person to person, we're talking things like the cold, flu, coughs, and more.

But when you drop something on the floor and quickly pick it up, it's actually transferring less bacteria than you think . . . because, quote, "most surfaces are not going to have any kind of dangerous bacteria there."

Double Dipped | Seinfeld | TBS

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One more thing:  Surprisingly enough, he found that when you drop food on CARPET, it picks up fewer germs than on tile or wood floors.  And he says it's because the carpet actually ABSORBS a lot of bacteria.