It looks like you are using an older version of Internet Explorer which is not supported. We advise that you update your browser to the latest version of Microsoft Edge, or consider using other browsers such as Chrome, Firefox or Safari.


Myelin is a mixture of proteins and phospholipids—say that three times, fast—that forms an insulating sheath around nerve fibers. Without it, nerve impulses can’t get to where they need to go. Which is what makes MS, a degenerative disease that damages myelin, so not cool.