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.
Current Status. The most promising role for dietary manipulation in the treatment of psoriasis involves following a gluten-free diet. Gluten is a storage protein/starch compound found in grasses such as wheat, rye, and barley. Some people have antibodies to one component of gluten called gliadin resulting in a condition known as celiac disease.