The impact of immigration on multiple sclerosis risk in Denmark

Takeaway

  • There appears to be a central influence of environmental factors in the etiology of multiple sclerosis, as evidenced by a comparison of multiple sclerosis risk in native Danes and first- and second-generation immigrants

Why this matters

  • The etiology of multiple sclerosis has previously been poorly understood; understanding the impact of exposure to environmental factors may aid efforts to prevent or slow the progression of the disease