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.
Sulphur Helps Mobilize Vitamin D from the Sun? When unprotected skin is exposed to the sun, the skin synthesizes vitamin D3 sulfate. While vitamin D is normally considered fat soluble, vitamin D3 sulfate is a form of the vitamin that is actually water soluble. This allows this type of vitamin D to travel freely in the blood stream.