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.
If eating some foods can help reduce psoriasis symptoms, it follows that other foods can exacerbate psoriasis symptoms. One of the most common food sensitivities is to gluten, a protein found in wheat. Giving up gluten in breads, pastas and condiments has helped some psoriasis sufferers control their outbreaks.