Prevent sickness. Buzz your nose, cough it up and swallow.
Our bodies evolved from breathing animals, and tiny things evolved to live inside them. Many of these little things now help us live by digesting our food and balancing our whole body. But some of them make us sick. Our bodies usually fight them off, but sometimes, we get sick and never get better. The prehistoric animals evolved to fight off the microbes in their noses and mouths, where theyā¦








