The fortune teller said garlic.

Because of the bactericidal effect of garlic, in ancient times, people often ate garlic to get sick less, but in ancient times, some diseases were evil spirits, so there would be no evil spirits without getting sick, so it is said that garlic can ward off evil spirits. This statement is a bit superstitious.

Ancient evil spirits, in modern terms, are bacteria and viruses. It is bacteria and viruses that don't know the truth, bringing diseases that don't know the truth. At that time, medical care was relatively backward, and people could not explain what was going on, so it was called "evil". There is only one way to ward off evil spirits in Nanwu. Pay attention to hygiene. However, modern research on bacteria and viruses has solved many mysteries of evil spirits. There are many ways for bacteria and viruses to spread, but the basic ways are: first, air transmission; The second is the diffusion of liquidity, including the movement of people, goods and livestock; The third is insect vector, which is the biggest invisible killer.

In ancient times, some people lived in poverty, so we should choose some appropriate ways to improve our fortune. The effect of garlic is the same as that of mahogany ornaments, which can ward off evil spirits, so garlic can be used to further ward off evil spirits in the case of heavy yin. In addition to garlic, there are mugwort leaves, ginger, glutinous rice and so on, which are said to ward off evil spirits. In fact, because they are good for people's health, they are designed to make people eat more of these things to enhance their immunity.

However, in the west, they put garlic and crosses together to ward off evil spirits. But in ancient times, it was really used to ward off evil spirits. Doctors always carry garlic with them when they enter epidemic areas. Garlic can sterilize well, which is often called "exorcism".