The current theory today is that MS is an autoimmune disease. Although there have been many theories as to what causes multiple sclerosis, most scientists and doctors accept this one.
White blood cells can also attack healthy cells and organs. The body cannot maintain good health if healthy cells, tissues, and organs are thought to be the enemy.
An overactive immune system is the culprit. Something triggers it to go into hyper mode. As of yet, no one knows exactly what those triggers are.
Women are more likely to suffer from these types of diseases. And they usually start not too long after puberty. This is true for MS, because there are a higher number of women who have it.
That is one of the reasons Cir's first doctor said he couldn't have MS. Although it is rare, we obviously know it is possible for men to also get MS.
Multiple sclerosis is one of several diseases in this category. Rheumatoid arthritis, Scleroderma, Lupus, and Grave's disease are also thought to be caused by an overactive immune system.
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