> IIRC capsaicin is like this in humans. Capsaicin triggers the heat-sensing nerves in mammals specifically. Scientists think this is because birds disperse th

> IIRC capsaicin is like this in humans. Capsaicin triggers the heat-sensing nerves in mammals specifically. Scientists think this is because birds disperse the seeds well after consumption, while us mammals tend to crush the seeds with our grinding teeth. Peppers don't want to kill us, they just want to hurt as real bad ;) https://en.wikipedia.org/wiki/Capsaicin#Natural_function https://en.wikipedia.org/wiki/Capsaicin#Natural_function