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Five-second rule

The five-second rule, sometimes also the three-second rule, is a western cultural food hygiene concept, that states that there is a defined window where it is permissible to pick up food (or sometimes cutlery) after it has been dropped and thus exposed to contamination. Some may believe this assertion, whereas most people employ the rule as an amusing social fiction that allows them to eat a dropped piece of food, despite the potential reservations of their peers. How many and what type of bacteria would stick to a piece of dropped food depends on many factors, the food or the floor being wet or dry among them. There is also a social dimension as dropped food in a restaurant or when guests are around is simply unacceptable, but in a family or private situation it may be still tolerated.

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The MythBusters go over the five-second rule.

Contributed by Grant Hill

I was amazed to find out that germs get onto food a lot faster than after 5 second. So most of the time when we picked stuff up and put them in our mouth preaching the 5 second rule, we are eating contaminated food.

Contributed by Diamond Dathong

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