why are diseases always negative? Are there diseases that have positive effects on human beings?
In: Biology
Its a matter of definitions. Theres countless of bacteria and other microorganisms “infecting” you without doing damage.
A lot of them are quite necessary. Bacteria in your intestines are very helpful for your digestion. The microorganisms which normally live on your skin keep actually harmfull ones off you.
We just only call it a desease if its harmful.
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