News study reveals what goes wrong in SMA (Spinal Muscular Atrophy) and suggests that a mild version of the same genetic defect may protect relatives against infection, which could explain why SMA is a relatively common disease.

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News study reveals what goes wrong in SMA (Spinal Muscular Atrophy) and suggests that a mild version of the same genetic defect may protect relatives against infection, which could explain why SMA is a relatively common disease.