Psoriasis is a non-communicable skin disease that by and large appears on the elbows, knees, scalp, feet, and hands. The disarray is recurring, with periods of exacerbations and remissions. By and large, it manifests itself in a severe form at some stage in the wintry weather, for the reason that the cold weather conditions aggravates the condition, as in the summer, there is a falling off of symptoms, for the reason that there is an augmented exposure to the sun that facilitates the body generate more vitamin D.
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