Multiple sclerosis is a disease that results when the immune system mistakenly attacks the brain and spinal cord. It affects nearly one million people in the US and over 2.8 million worldwide.
source https://www.ndtv.com/world-news/out-of-balance-gut-bacteria-connected-to-multiple-sclerosis-study-9104197#publisher=newsstand
source https://www.ndtv.com/world-news/out-of-balance-gut-bacteria-connected-to-multiple-sclerosis-study-9104197#publisher=newsstand