How do we get used to an awful smell after a few mins of smelling it?

Question

Something can smell horrendous at first, but then we don’t notice it as much. Why?

In: Biology

Answer 1

Same reason you stop feeling your clothes all the time.
Nerve gets stimulated. You take notice. Stimulate again in a short enough time period and the nerve&brain say “ignore that, not new input”.
Smells are the same.