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 are also steps you can take at home to soothe psoriasis symptoms, such as: 1  Keeping your skin moisturized. 2  Applying a keratolytic (a cream to soften skin scales) 3  Showering in cold water or using a cold pack. Stay away from hot water, which can dry skin further.