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The exact cause of autoimmune disorders is unknown. One theory is that some microorganisms (such as bacteria or viruses) or drugs may trigger changes that confuse the immune system. This may happen more often in people who have genes that make them more prone to autoimmune disorders.
What we do know? More medical research is needed.
The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the nation’s medical research agency — making important discoveries that improve health and save lives. NIH is made up of 27 Institutes and Centers, each with a specific research agenda, often focusing on particular diseases or body systems.
National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP)
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) is the leading medical research agency studying Arthritis and Rheumatic Diseases
ClinicalTrials.gov is a resource maintained by the National Library of Medicine (NLM) at the National Institutes of Health (NIH). It provides easy access to information on publicly and privately supported clinical studies on a wide range of diseases and conditions.
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