Three years ago, Teyana Goodwin began experiencing intermittent vague symptoms like double vision, muscle spasms, fatigue, and extreme nausea. The otherwise healthy 28-year-old went to several emergency rooms and physicians...

Unless you have or know someone who has multiple sclerosis (MS), you probably don’t know much about it. However, according to the Multiple Sclerosis Society, over 2.3 million people worldwide...