Fast Five Quiz: Secondary Progressive Multiple Sclerosis

Krupa Pandey, MD

Disclosures

October 02, 2019

Factors suspected to trigger MS include an environmental event that combines with a genetic predisposition to immune dysfunction. Environmental events include viral or bacterial infection, exposure to chemicals, and lack of sun exposure. The combination of these triggers and the presence of a genetic disposition to autoimmunity is one hypothesis for the cause of MS.

Poor lifestyle choices such as smoking, sedentary lifestyle, and high-calorie diets are not known causes of MS; however, these factors (especially smoking) can contribute to environmental events associated with MS.

As previously discussed, although the exact etiology of MS is unknown, known triggers for MS have been identified.

Occupational exposure to benzenes is not an identified risk factor for MS.

Learn more about factors that contribute to the development of MS.

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