Multiple sclerosis is a chronic disease affecting the central nervous system (the brain and spinal cord).
MS occurs when the immune system attacks nerve fibers and myelin sheathing (a fatty substance which surrounds/insulates healthy nerve fibers) in the brain and spinal cord.
A new paper has been published that seems to have discovered the cause of Multiple Sclerosis. This paper could pave the way for a vaccine for MS
Dr. Claire McCoy Senior Lecturer in Pharmacy & Biomolecular Sciences at RCSI joined Jonathan to discuss.
Broadcaster and Science Communicator Philip Smyth & Dr. Lara Dungan also joined Jonathan to go through the top science news stories from the week in Newsround.