double dipping

Double Dipping Versus the Five-Second Rule: Here's Which is Worse and Why

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...
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