Thursday, June 20, 2019

What are the causes of sclerosis?

Multiple sclerosis (MS) is a possibly impairing ailment of the mind and spinal cord (focal sensory system).
In Multiple Sclerosis, the insusceptible framework assaults the defensive sheath (myelin) that spreads nerve strands and causes correspondence issues between your mind and the remainder of your body. In the long run, the disease can cause lasting harm or weakening of the nerves.


Symptoms:
Multiple sclerosis signs and symptoms may differ greatly from person to person and over the course of the disease depending on the location of affected nerve fibers. Symptoms often affect movement, such as:
  • Numbness or weakness in one or more limbs that typically occurs on one side of your body at a time, or the legs and trunk
  • Electric-shock sensations that occur with certain neck movements, especially bending the neck forward (Lhermitte sign)
  • Tremor, lack of coordination or unsteady gait
Causes:
The cause of multiple sclerosis is unknown. It's considered an autoimmune disease in which the body's immune system attacks its own tissues. In the case of MS, this immune system malfunction destroys the fatty substance that coats and protects nerve fibers in the brain and spinal cord (myelin).
Myelin can be compared to the insulation coating on electrical wires. When the protective myelin is damaged and nerve fiber is exposed, the messages that travel along that nerve may be slowed or blocked. The nerve may also become damaged itself.
It isn't clear why MS develops in some people and not others. A combination of genetics and environmental factors appears to be responsible.
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