Who is affected by psoriasis

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Who is affected by psoriasis

Psoriasis is more common in adults than children and affects males and females equally.

Psoriasis affects:

1% to 3% of people throughout the world.¹
About 2% to 3% of people in the United States.²
Some cultures more than others.³ For example, it is common in Japanese persons but not in native North or South Americans. It is uncommon among blacks in tropical areas, but it is seen more often among blacks in temperate areas, such as in the United States and Europe, where the year-round climate is moderate.

References

Citations
Habif TP, et al. (2005). Psoriasis and other papulosquamous diseases. In Skin Disease: Diagnosis and Treatment, pp. 106–115. Philadelphia: Elsevier Mosby.
Stern DK, Lebwohl MG (2005). Papulosquamous eruptions. In RE Rakel, ET Bope, eds., Conn's Current Therapy, pp. 906–914. Philadelphia: Elsevier Saunders.
Abel E, Lebwohl M (2005). Psoriasis. In DC Dale, DD Federman, eds., ACP Medicine, section 2, chap. 3. New York: WebMD.

Credits

Author	Shannon Erstad, MBA/MPH
Author	Ralph Poore
Editor	Kathleen M. Ariss, MS
Associate Editor	Michele Cronen
Primary Medical Reviewer	Patrice Burgess, MD - Family Medicine
Primary Medical Reviewer	Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer	Alexander H. Murray, MD, FRCPC - Dermatology
Last Updated	January 6, 2006

Last updated:	January 06, 2006
Author:	Ralph Poore
Reviewed By:	Kathleen Romito, MD - Family Medicine, Alexander H. Murray, MD, FRCPC - Dermatology
Editors:	Kathleen M. Ariss, MS, Michele Cronen

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