The word is a derogatory term used to describe Americans by the Brits, Canadians, Australians and the like; but in the USA used to define an American from the Northern States in the USA, such as New England and the Mid-West.
Related Disability Listings. Some people with psoriasis also suffer from a form of arthritis called psoriatic arthritis. If your psoriasis does not meet the requirements for the dermatitis listing, but you also suffer from psoriatic arthritis, you may qualify for disability based on the effects of your arthritis.
Causes. Psoriatic arthritis occurs when your body's immune system begins to attack healthy cells and tissue. The abnormal immune response causes inflammation in your joints as well as overproduction of skin cells.any people with psoriatic arthritis have a family history of either psoriasis or psoriatic arthritis. Researchers have discovered certain genetic markers that appear to be associated with psoriatic arthritis.