Scientists have claimed that food is safer to eat if it is picked up off the floor within a few seconds.
The 'five-second rule' pertains to the idea that if food is dropped on the floor, it is still safe to eat if it is picked up within five seconds because there hasn't been enough time for bacteria to transfer on to it.
5 seconds or not I would never eat food that was fallen down the floor. Also if happened outdoors there might be
sand at the food and that`s not good for the teeth.
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