WandaVision's Emma Caulfield Just Shared That She Has Multiple Sclerosis And Has Been Keeping It A Secret For More Than A Decade - BuzzFeed

Multiple sclerosis is a disease impacting the brain and spinal cord, where the immune system attacks the protective sheath that covers nerve fibers and causes communication problems between the brain and the rest of the body!

Eventually, the disease can cause permanent damage or deterioration of the nerves

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