Age of onset for multiple sclerosis ‘linked to distance from equator’

Source The Guardian:

People living in countries further away from the equator develop symptoms of multiple sclerosis at an earlier age, research suggests.

Both genetic and environmental factors are believed to be to behind the development of multiple sclerosis (MS), with previous work revealing that prevalence of the disease is higher among those living further away from the equator – in other words, in locations with higher latitudes.  Read on.