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New study casts doubts on controversial theory for treating MS

A new study published in the journal Nature is casting doubt on a recent and controversial theory about MS. Italian doctor Paolo Zamboni believes the disease could be caused by restricted blood flow from blocked neck veins. He has developed a treatment to open those veins, a treatment that many Canadians have travelled overseas to obtain. Ainslie speaks with Jock Murray, professor emeritus at Dalhousie University about what new information has come to light.
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