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.
Can Vitamins help prevent Diseases? By: Dr. George Obikoya Vitamins can help prevent disease in two main ways: By preventing the deficiency syndromes characteristic of the respective vitamin, and through the health benefits conferred by that specific vitamin. For example, Vitamin A is important for our vision.