"mark" > wrote in message
ps.com...
> Because a vegan diet is so pure, I would think that Psoriasis would be
> a rare occurance among vegans. Were any surveys done that have covered
> this subject ?
> Thanks for any information.
>
http://en.wikipedia.org/wiki/Psoriasis

Doesn't look as if purity has anything to do with the disease.

Anyway, why ask us when you've got . . .

http://www.onelook.com/?w=Psoriasis&ls=a