why are diseases always negative? Are there diseases that have positive effects on human beings?
In: Biology
We define a disease to be a negative and/or harmful condition. You can’t have a positive disease like you can’t have a legal crime.
If you mean to ask are there any infections that are beneficial to humans, then yes. There plenty of bacteria that live in our digestive tracks that help digest food. Some vaccines use similar viruses to train the body to fight off more serious viruses. Engineered viruses are even being looked at as a delivery method for gene therapy treatments.
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