In the 1919 year, 40 million people died because of fever.
Only farmers were immune to the illness. One doctor decided to visit a farmer’s family to discover why they were immune. After he had discovered that the whole family was in good health, he was astonished. When he had asked for the reason, they told him that they kept a whole onion on a plate in every room.
The doctor couldn’t believe. He immediately asked for one onion in order to make microscopic analyses. He discovered the virus of a fever in it. It was evident that the onion had absorbed all the bacteria and because of that, all the people in the house were healthy. You may try with this. Results may vary from person to person. What works for some people, does not work for others.