本帖最后由 东方阳 于 2011-8-25 16:48 编辑
Overview Multiple sclerosis, also commonly called MS, is a disease that affects a person's brain and spinal cord. Like in an autoimmune disease, the body affects itself by attacking the proteins in the protective coating around the nerves in the brain and spinal cord. The scarring caused by these attacks is called sclerosis. Eventually, this will impede the nerve impulses sent from the brain to the body and signals muscles to move and feel. MS is a chronic disease that's typically progressive and sometimes debilitating.
Types · Relapsing-remitting MS (RRMS) is found in 85% of MS cases, where the person has a partial or total recovery after each attack. · Secondary-progressive MS (SPMS) starts out as RRMS and progresses. · Primary-progressive MS (PPMS) starts out as a progressive disease with little relief.
Symptoms As the nerves that get affected vary, the symptoms also vary accordingly. Some are vision problems like double vision or blurred vision, loss of vision, numbness or weakness in limbs, tingling, pain, fatigue, dizziness, tremor, a shaky gait and lack of coordination and a shock-like pain when moving the head. Muscles stiffness, paralysis, bladder and bowel control, impaired sexual function and slurred speech are also the signs of multiple sclerosis.
Causes/Risk Factors The cause of MS is not known, but it's believed that a prolonged bout with a cold or flu, an infection and even changes in the body's system during pregnancy could be contributing factors to cause an autoimmune response in the body. Those of Northern European descent have a greater risk of developing the disease and those who live in northern climates have a greater risk, though the reason for that is unclear. It's believed that the Epstein-Barr virus that also causes mononucleosis could also be responsible for some cases of MS along with certain infections.
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