Risk factors for multiple sclerosis

The risk for multiple sclerosis (MS) depends on many factors. Dr. Teo Mendez, orthopaedic surgeon at Lenox Hill Hospital, reacts to a new study that claims concussions in childhood could play a role in developing this disorder - which attacks the central nervous system – later in life. He also explains symptoms of MS and how your proximity to the equator plays a factor in your risk.

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