引述 :『自身免疫性疾病 Autoimmune disease Autoimmune diseases arise from an overactive immune response of the body against substances and tissues normally present in the body. 自身免疫性疾病產生的過度的免疫反應的身體對物質和組織通常存在於人體。 In other words, the body attacks its own cells. Autoimmune diseases are a major cause of immune-mediated diseases .換句話說，身體攻擊自己的細胞。 自身免疫性疾病的一個主要原因免疫介導的疾病。 Gender influence 性別影響 Women tend to be affected more often by autoimmune disorders; nearly 79% of autoimmune disease patients in the USA are women.婦女往往受到影響更多的往往是自身免疫性疾病;近79 ％的患者自身免疫性疾病在美國是婦女。 Also they tend to appear during or shortly after puberty.此外，他們往往會出現期間或之後不久青春期。 It is not known why this is the case, although hormone levels have been shown to affect the severity of some autoimmune diseases such as multiple sclerosis . [1] Other causes may include the presence of fetal cells in the maternal bloodstream. [2]不知道為什麼是這種情況，雖然激素水平已被證明影響的嚴重性，一些自身免疫性疾病，如多發性硬化症。 [ 1 ]其他原因可能包括存在的胎兒細胞中的孕產婦血液。 [ 2 ]』