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Related Concept Videos

Confirmation Biases01:31

Confirmation Biases

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The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
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Related Experiment Video

Updated: Jan 27, 2026

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
02:28

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients

Published on: March 1, 2024

797

Diet and psoriasis.

Adrian Pona1, Wasim Haidari, Sree S Kolli

  • 1Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, North Carolina. apona@wakehealth.edu.

Dermatology Online Journal
|March 14, 2019
PubMed
Summary
This summary is machine-generated.

Dietary interventions show promise for psoriasis management, with low-calorie and fish oil diets improving symptoms. While not a standalone cure, these dietary changes can complement standard psoriasis treatments.

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Area of Science:

  • Dermatology
  • Nutrition Science
  • Medical Research

Background:

  • Growing patient interest in dietary management of psoriasis.
  • Psoriasis is a chronic inflammatory skin condition with significant quality of life impact.

Purpose of the Study:

  • To review and analyze the efficacy of various dietary interventions for psoriasis.
  • To assess the impact of diet on psoriasis severity and patient-reported outcomes.

Main Methods:

  • Systematic literature search using "psoriasis AND diet" on PubMed.
  • Selection of 63 articles detailing dietary modifications and their effects on psoriasis.

Main Results:

  • Low-calorie diets (LCD) improved Psoriasis Area and Severity Index (PASI) and Dermatology Life Quality Index (DLQI) when combined with therapies.
  • Fish oil supplementation demonstrated significant PASI score reduction over six months.
  • Gluten-free diets and vitamin D supplementation showed mixed but potentially efficacious results.
  • Selenium and zinc supplementation showed no significant benefit in improving PASI scores.

Conclusions:

  • Dietary changes alone have a limited impact on psoriasis.
  • Dietary interventions can serve as a valuable adjunct to conventional first-line psoriasis treatments.