![]() You depend on them as much as they depend on you. We co-evolved with these microbes which is why most of your microbiome is harmless or helps with important functions like cleaning your skin and helping with digestion. Some estimates say that there are ten times as many foreign microbes in your body than your own cells. One reason is that your body is host to a microbiome: trillions of other organisms that live in your gut, skin, and respiratory tract. ![]() Sanitation and antibiotics has saved more lives than any advancement in medicine.īut from an evolutionary perspective, our sterilizing behavior is abnormal and potentially harmful. No one questions the assumption that cleaner is healthier. We disinfect our homes, food, and bodies with a collection of germ-killing weapons, including soap, bleach, and antibiotics. ![]() Most people think germs are invisible pests that cause disease.
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