If you think about it, MS is not about a weakened immune system, but a more "hyper responsive immune system." Most immune diseases like MS or SLE, the body's immune system attacks the body. This is not like HIV where the CD4 cell count is too low to respond. In MS patients, the cells respond very well. You have a very healthy immune system. Maybe a little confused, but not weak at all.
Do you really want to know about all the CD cell types, T cells, B Cells, NK Cells (Natural Killer)? The point is in MS the immune system is strong, just confused. The immune system is confused and thinks it is supposed to attack myelin on the nerves in the CNS like it is a foreign invader. The problem here is we kind of need that myelin and the strength of our immune systems is what does the damage.
I was reading a paper about the use of B12 to boost the repair of nerves. Turns out if your b12 is low, it helps. Also turns out it your B12 is normal it doesn't. Normal vitamins or additional doses if you are low in something is most likely a good idea, ask your Dr about it. Over doing it is not. Some fat soluble (A and K) come to mind can be toxic or cause clotting issues. The water soluble ones will just end up being flushed out in your urine.
The MS immune systems see Myelin on the nerves in the CNS and thinks that myelin looks like another organism, maybe the herpes virus. So the immune system watch dogs call out other cells that are designed to kill and destroy herpes, but the destroy myelin instead. This is a very simplified model.
my doctor explained immune system dysfunction as your body is too busy responding and attacking the wrong things, so that when a real threat comes (ie flu virus) it is not able to respond well to that threat as it's already exhausted its resources fighting wrong things.
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