The myelin sheaths insulating neurons are damaged in multiple sclerosis. Steve Gschmeissner/Science Photo Library/Brand X Pictures via Getty Images The environment plays a key role in determining who ...

For Multiple Sclerosis Awareness Month, we share the journey of MS patient Enica Russell, who has spent nearly two decades battling the “invisible” disease.

Add Yahoo as a preferred source to see more of our stories on Google. The myelin sheaths insulating neurons are damaged in multiple sclerosis. Steve Gschmeissner/Science Photo Library/Brand X Pictures ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The environment plays a key role in determining who develops multiple sclerosis, and ...