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Gut germs play role in multiple sclerosis, studies show. Are probiotics for MS next?

Two teams of scientists have found the strongest evidence yet that intestinal bacteria play a role in multiple sclerosis, an incurable autoimmune disease.
An MRI scan of a brain from a person with multiple sclerosis.

Two teams of scientists have found the strongest evidence yet that intestinal bacteria play a role in multiple sclerosis, an incurable disease in which the body’s immune system attacks the myelin coating on neurons, causing tremors, fatigue, cognitive problems, and more.

Gut germs that were unusually abundant in people with MS changed white blood cells in a way that made them more likely to attack the body’s own cells, including neurons, one study reported on Monday; the other experiment found that gut germs from people with MS

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