UVB Treatment Improves Psoriasis and Vitamin D

Treatment with narrow-band UVB rays may increase serum levels of vitamin D in the wintertime while clearing psoriasis.

Psoriasis affects 1.5 percent to 3 percent of the population, and abnormalities in vitamin D metabolism may be partly responsible for the skin condition. Narrowband UVB treatment has become the standard light therapy for psoriasis.

Science Daily reports:

“[Researchers] assessed 30 consecutive patients with psoriasis who were treated with narrowband UVB three times per week until their psoriasis cleared ... Levels of serum 25-hydroxyvitamin D [25(OH)D] -- the most accurate measurement of vitamin D levels in the body -- increased significantly among individuals receiving UVB therapy ... In addition, psoriasis severity scores decreased”.

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