Generally speaking, the vertical axis of a tropical cyclone, usually defined by the location of minimum wind or minimum pressure. The cyclone center position can vary with altitude. In advisory products, refers to the center position at the surface.
Facts on vitamin A and psoriasis. 1  Vitamin A can be very effective in treating psoriasis. 2  Creams and tablets can be prescribed. 3  High doses of Vitamin A should only be given under specialist supervision.  A combination of Vitamin A and phototherapy (light treatment) can give excellent results of most patients.
Studies have not shown a direct link between vitamins and dietary supplements and psoriatic disease. Yet many people with psoriasis and psoriatic arthritis find that including vitamins and supplements in their diet helps their skin clear and may ease joint pain.esearch on whether vitamin D can help alleviate psoriasis symptoms is small and limited. A report in the May 2011 Science Translational Medicine journal, found that vitamin D helps counteract the body's response to inflammation associated psoriasis.