Day 1: Only 10% of all ALS cases are “familial”

Only 10% of all ALS cases are “familial,” i.e. a patient can point to other members in the family having had the disease (for example, a father and an uncle). The rest of those diagnosed have what is called “sporadic ALS,” which simply means there is no family history of ALS. A little more about this fact: The most common genetic problem in pALS is called C9orf72 – mutations of…

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