A combination of genetic and environmental factors are leading contributors to a diagnosis of multiple sclerosis (MS).
Viral infections and tobacco smoking are two major triggers of the disease. Key environmental factors usually occur before age 15.
And factors that cause the onset of MS may differ from those that cause its progression.
Those are the conclusions from experts from seven centers around the world who recently reviewed 5 years of published papers on genetic and environmental factors that could lead to MS risk, relapses, and progression.
Their findings were published in the Annals of Clinical and Translational Neurology on behalf of the American Neurological Association.
Read full article here: The Genetic and Environmental Factors That Can Cause Multiple Sclerosis