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Spastic ataxia Charlevoix-Saguenay type

From SNPedia

SACS (or ARSACS) is a rare neuro-degenerative disease that afflicts French-Canadians from the Charlevoix and Saguenay-Lac-St-Jean regions of northeastern Quebec more frequently than other regions of the world, although it does occur in other regions.

The SACS gene plays a large role in this disease.