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I read with great interest the study by Qureshi et al1 published in the Archives and also highlighted in the New York Times.2 The study concluded that women who drink more than 5 nonlight beers per week have an increased risk of developing psoriasis. However, this finding may be flawed.
Kwatra SG. Alcohol Intake and Risk of Psoriasis: Smoking as a Confounding Factor. Arch Dermatol. 2011;147(3):358. doi:10.1001/archdermatol.2011.15
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