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.
Two prescription medicationsâVectical and Dovonex, which are applied to the skinâinclude vitamin D as their main active ingredient. Edee Scott, 72, of Corona, Calif., says vitamin D medication has helped calm her psoriasis, which is most severe on the palms of her hands and feet. She's had psoriasis since age 14, but it's only in the past 15 years that her psoriasis has taken on a life of its own, she says.
There's no cure for psoriasis, but a range of treatments can improve symptoms and the appearance of skin patches. In most cases, the first treatment used will be a topical treatment, such as vitamin D analogues or topical corticosteroids. Topical treatments are creams and ointments applied to the skin.