Damage to myelin, or white matter, is almost always present in multiple sclerosis and the disease has long been thought of as one in which the immune system attacks myelin. Yet damage to the cell that is wrapped in myelin also occurs. As with the chicken or the egg, the experts debate which comes first—gray matter damage, or white?

Is EBV the Cause of Multiple Sclerosis? Viruses have long been implicated in the pathogenesis of multiple sclerosis, but no single virus has been found to be the cause. Could Epstein-Barr Virus—or EBV—be the culprit? Listen to the experts debate!

Dr. Stephen Krieger will share his view that MS is one disease state while Dr. Bianca Weinstock-Guttman challenges that view, arguing that MS is many disease states.