Psoriasis is a life-long chronic autoimmune disease characterized
by thick scaly skin lesions and often associated with severe
arthritis. In psoriasis, lesions skin cells, keratinocytes, grow
too quickly, resulting in thick, white, silvery or red patches on
skin. Normal skin cells grow gradually and flake off about every
four weeks, but psoriasis causes new skin cells to move rapidly
to the surface of the skin in days rather than weeks.... more...