If dust is made up of your own dead skin, how can you be allergic to it?

Question

If dust is made up of your own dead skin, how can you be allergic to it?

In: Biology

Answer 1

It’s usually the tiny dust mites that live off of the dust that we’re allergic to, not the dust itself. However allergic or not, getting dust in your nose is going to make most people sneeze out of simple agitation.