Approximately 2.8 million people are affected by Multiple Sclerosis (MS) worldwide, with the prevalence increasing since 2013. Because symptoms can be completely invisible, most MS in the U.S. has been hard to estimate. However, a new surveillance system called the National Neurological Conditions Surveillance System (NNCSS) is in progress to help determine how we can best evaluate rates of this disease and improve health outcomes. Multiple Sclerosis can be very difficult to diagnose because ... view lecture summary to read more