Assertion: psoriasis's system | /r/HasSubevent | skin cells
Facets:
value: with psoriasis
type: OTHER
Source sentences:
text: With psoriasis, an overactive immune system leads to skin cells that grow too quickly: New skin cells form in days rather than weeks, which causes them to build up rapidly on the surface of the skin, forming the characteristic thick patches and scales of psoriasis, according to the National Psoriasis Foundation.