iReporters share their experiences with multiple sclerosis . MS affects about 400,000 Americans and 2 million people worldwide . TL;DR The disease is a chronic autoimmune disorder that attacks the body's immune system, causing inflammation in the brain and spinal cord.
iReporters share their experiences with multiple sclerosis . MS affects about 400,000 Americans and 2 million people worldwide . The disease makes it difficult to control muscular activity .