1. The stomach wall muscles of wolves can contract automatically. When they suspect that they have eaten poisonous food, they will immediately contract their stomach muscles and spit out what is in their stomachs, just in case;
2. Monkeys in tropical forests will bite the bark of cinchona trees when they are shivering with cold. This bark contains cinchona cream, which is a specific medicine for malaria.
After getting tinea, bison will travel long distances to the lake and "bathe" in the mud. Then climb ashore and dry the mud slowly. Soon, it went to the lake to "take a bath" until it cured tinea. Mud bath is not a "patent" of bison, but also a hobby of rhinoceros and hippopotamus. Because mud bath can not only cure diseases and heal wounds, but also prevent diseases;
4. Hot spring bath is a kind of physical therapy that people use to treat diseases. Interestingly, bears and badgers also use this method to keep healthy and treat diseases. American grizzly bears have a habit. When I am old, I like to take a bath in sulfur-containing hot springs and soak in them to treat senile arthritis. The female badger often takes the sore badger to the hot spring to take a bath and treat skin diseases.