there are people there are humans who have things like psoriasis and they get sorelings they're given sorolins which are a plant defense molecule which accumulates in the skin and then they are given uva treatment and they have high levels of uvb exposure and they have increased risk of non-melanoma skin cancer so is it possible that most of the population is eating a lot of celery or too much celery or too much parsley or too many parsnips or even too many carrots which have human humorants and this could be leading to skin sensitivity carcinogenic risks of sorrel in uva therapy and narrow band uvb therapy and chronic plaque psoriasis a systemic literature review these authors do find there's an increased risk here the conclusion there's an increased risk of skin cancer following pulsed ultraviolet a light shown by both u.s and european studies these are for people who are receiving sorelyn therapy for their plaque psoriasis but you can