Dr Andile Mhlongo, Medical Advisor, Specialty Care at Sanofi South Africa, chats to Leigh-Anne Williams about multiple sclerosis (MS), which is an unpredictable, often disabling disease of the central nervous system (brain and spinal cord) that interrupts the flow of information within the brain, and between the brain and the body. She shares more about what the signs are, some of the causes as well as where people can find help and support in dealing with this chronic illness.