"A new subtype of multiple sclerosis (MS) has been proposed that supports the concept that neurodegeneration and demyelination can occur independently in the disease."

https://www.medpagetoday.com/neurology/multiplesclerosis/74721?xid=nl_mpt_%20SRNeurology_2018-08-24&eun=g330925d0r&utm_source=Sailthru&utm_medium=email&utm_campaign=NeuroScope_082418&utm_term=SM%20NeuroBreak%20Alert

Finding may open new research targets