This includes tests that look for antibodies to the thyroid that indicate autoimmune activity against it. (parsleyhealth.com)
For those with autoimmune thyroid dysfunction, selenium has also been shown to drastically reduce antibody levels, reversing autoimmune activity. (mindbodygreen.com)
For example, some cases of multiple sclerosis are thought to result from autoimmune activity in response to an infection in the central nervous system and cerebrospinal fluid. (scientificamerican.com)