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.

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