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Psoriasis and vitamin D deficiency

Updated: August 01, 2012

A topical supplement may help your treatment.

Fighting psoriasis, a condition characterized by patches of irritated, flaky skin that usually appear on the elbows and knees and across the trunk, is difficult throughout the year, especially in winter. New research may help explain why. Scientists in Italy found that people with psoriasis also suffer from vitamin D deficiency.

"We speculated that vitamin D might be low in psoriasis patients, but this is the first good study that substantiates it," says Dr. Suzanne Olbricht, an associate professor of dermatology at Harvard Medical School.

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