Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
psoriasis
Table of Contents
Introduction References & Edit History Related Topics
Images
psoriasis
For Students
psoriasis summary
Quizzes
A Yorkshire terrier dressed up as a veterinarian or doctor on a white background. (dogs)
A Visit with the Word Doctor: Medical Vocabulary Quiz
full human skeleton
Diseases, Disorders, and More: A Medical Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes
Read Next
People wearing surgical masks (also called face mask or medical masks or safety masks) walk through the city center of Milan, Italy on Feb. 23, 2020. Coronavirus disease COVID-19 pandemic
How Do Face Masks Control the Spread of Disease?
Scanning electron micrograph showing the spiral-shaped bacteria of the genus Leptospira. These organisms cause leptospirosis.
8 Zoonotic Diseases
close up of 3d microscopic blue bacteria
What Was Life Like Before We Knew About Germs?
Hand washing. Healthcare worker washing hands in hospital sink under running water. contagious diseases wash hands, handwashing hygiene, virus, human health
17 Questions About Health and Wellness Answered
Discover
Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?
Estimated battle casualties, Normandy invasion, World War II. WWII, D-Day
Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)
airplane in flight (plane, aircraft, flying)
7 Puzzling Plane Disappearances
Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.
How Rye Bread May Have Caused the Salem Witch Trials
Statue of Nostradamus
Nostradamus and His Prophecies
Demystified - Do Lemmings Really Commit Mass Suicide? illustration
Do Lemmings Really Commit Mass Suicide?
New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.
Why Is It Called Black Friday?

psoriasis: Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/psoriasis

News •

Psoriasis tied to increased risk for sleep disorders • June 2, 2025, 11:22 AM ET (Medical Xpress)
Residual inflammation can linger in psoriasis patients despite skin treatment • May 20, 2025, 3:06 AM ET (News-Medical)

Photos

psoriasis
See All Images →

Related Topics and References

Topics

Related Quizzes and Features

Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes
full human skeleton
Diseases, Disorders, and More: A Medical Quiz
A Yorkshire terrier dressed up as a veterinarian or doctor on a white background. (dogs)
A Visit with the Word Doctor: Medical Vocabulary Quiz