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Related Experiment Videos

Alcohol as a risk factor for plaque-type psoriasis.

Shahrad M Behnam1, Shahdad E Behnam, John Y Koo

  • 1University of California San Francisco, Fresno, USA.

Cutis
|November 5, 2005
PubMed
Summary

Alcohol consumption is linked to an increased risk of developing plaque-type psoriasis, especially in men, after accounting for other factors. Clinicians should advise psoriasis patients to avoid alcohol, particularly during flare-ups.

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Area of Science:

  • Dermatology
  • Epidemiology
  • Public Health

Background:

  • The relationship between alcohol consumption and plaque-type psoriasis development is complex.
  • Early studies lacked control for confounding factors like tobacco use, leading to confusion.
  • Recent research controlling for confounders reveals a significant association.

Purpose of the Study:

  • To review epidemiologic, case-controlled, and clinical studies on alcohol and plaque-type psoriasis.
  • To clarify the association between alcohol intake and psoriasis development.
  • To provide evidence-based recommendations for clinicians and patients.

Main Methods:

  • Literature review of relevant studies.
  • Analysis of epidemiologic, case-controlled, and clinical data.

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  • Examination of studies controlling for confounding variables.

    • Main Results:

    • Initial studies showed no correlation between alcohol and psoriasis.
    • Studies controlling for confounders, such as tobacco use, demonstrated a significant link.
    • A relative risk factor of 8.01 was suggested for men, but not observed in women.
    • No increased risk was documented for women consuming alcohol.

    Conclusions:

    • Alcohol consumption is a significant risk factor for plaque-type psoriasis, particularly in men.
    • Clinicians should advise patients with psoriasis to abstain from alcohol.
    • Alcohol avoidance is especially recommended during disease exacerbations.