[ELI5] Why can we gain resistances to medicine, alcohol, poison, etc. but not so much for allergies or pollutants?

Question

[ELI5] Why can we gain resistances to medicine, alcohol, poison, etc. but not so much for allergies or pollutants?

In: 1276

Answer 1

We do. I used to be allergic to peanuts, chocolate and cats.

Continuous and incrementally increasing exposure helped me get rid of those allergies. I know have 2 cats and eat peanut butter sandwiches every night and Snickers bars every kow and then.

Also, you should do it under the supervision of a doctor if your allergy is more severe than rashes and sniffles, ie. anaphylaxis, though it is rare to have an allergy that sever unless you are immunocompromised in some other way.