Eli5: why does our brain tell us that some smells are good, flowers, and some smells are bad, pig pen.

Question

Eli5: why does our brain tell us that some smells are good, flowers, and some smells are bad, pig pen.

In: Biology

Answer 1

Our smell receptors serve a very important purpose. Generally things that smell good are okay for us. And on the other hand, things that smell bad could be bad for us. Poop, rotten meat, bad bacteria growth, etc. it’s almost like an alert and detection system for us.