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Autoimmune disorders are conditions that occurs when the immune system mistakenly attacks and destroys healthy body tissue. There are more than 80 different types of autoimmune disorders. Normally the immune system's white blood cells help protect ...
Huntington's disease is a hereditary disease caused by a defect in a single gene on Chromosome 4 that is inherited in an autosomal dominant fashion. The defect causes a part of DNA, called a CAG repeat, to occur many more times than it is supposed to...