Why do allergies exist, and what evolutionary purpose, if any, do they serve?
In: Biology
In nature allergies would be a death sentence.
Evolutionarily, it would be the end of the line: either the allergy would kill the allergic or the allergy would hinder movement and reflex so a predator could kill the allergic.
Humans find value in people (and pets) beyond their mere presence among us and we talk and listen to and find trust and love in each other.
It is only through our will to care for each other and to protect ourselves and our relations against harm that humans have survived with allergies.
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