Psoriasis is an autoimmune condition that results in patches of red, itchy, scaly skin. Psoriasis is thought to be a genetic condition, with environmental triggers. Psoriasis is also associated with conditions such as Crohn’s disease, arthritis, cardiovascular disease and depression. 90% of cases of psoriasis are plaque psoriasis.
Some studies suggest that medical cannabis may be useful in slowing the rapid overgrowth of immature skin cells, called keratinocytes.