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What is lupus?

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Lupus -- also known as systemic lupus erythematosus -- is a disease of the immune system. Normally, the immune system protects the body from infection. In lupus, however, the immune system inappropriately attacks tissues in various parts of the body. This abnormal activity leads to tissue damage and illness.

From: Lupus Overview WebMD Medical Reference

SOURCES:

The Lupus Foundation of America.

American College of Rheumatology.

FDA.

Reviewed by David Zelman on May 7, 2019

SOURCES:

The Lupus Foundation of America.

American College of Rheumatology.

FDA.

Reviewed by David Zelman on May 7, 2019

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Who gets lupus?

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