<prompt> Which of the following statement is false with respect to demyelinating disorders?Increase in blood brain barrier permeabilityMore common in femalesInvolves biochemical abnormality of myelinMultiple Sclerosis is MC type of demyelinating disorder.  <response>: Diseases involving biochemical abnormality of myelin are ka dysmyelinating disorders Eg. Zellweger syndrome, Adult-onset autosomal dominant leukodystrophy MS Multiple Sclerosis MC type of demyelinating, chronic inflammatory disorder. in blood brain barrier permeability damage by immune system. More common in females than male. 