. Why do auto immune diseases like psoriasis only target certain parts of the body or skin and not everything?

Question

. Why do auto immune diseases like psoriasis only target certain parts of the body or skin and not everything?

In: 92

Answer 1

I have a very mild case of psoriasis and can’t think of a part of my body where a dot has not popped up. Although yes, I am more likely to have them on my head and elbows.