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.
There is no cure for psoriasis. However, various treatments can help control the symptoms. These treatments may include steroid creams, vitamin D3 cream, ultraviolet light, and immune system suppressing medications such as methotrexate. About 75% of cases can be managed with creams alone.