In many parts of the world, there is a saying: If the food falls to the ground, if you can pick it up quickly, the bacteria will not have time to contaminate the food, so you don’t have to worry about eating bad stomachs. However, there are many versions of how fast this [very fast] is, and the most widely circulated one is [5 seconds]. In the United States, more than half of the people know this [5-second rule]. In China, although the [5-second rule] is not very famous, it has been heard since childhood. As long as your hands are fast enough, you can pick up the food and continue to eat it? This sounds really tempting, but… let’s Read More …