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.
Patients who live in northern climates that get less sun actually have a higher prevalence of the condition. Conditions that can cause itchy skin, such as psoriasis, may be treated or even prevented with vitamin D, according to Consumer Reports. Psoriasis is a common problem that causes cells to accumulate on the surface of the skin quickly. Characteristics of this disease are a scaly appearance and itchy, dry patches.