ALS: Nothing is known to be missing. Rather the nerves (motor neurons) just start dying. It is a degenerative process.
Answered 5/9/2013
5.1k views
Don't know cause: But 10% of all pts with ALS, have a familial form where 25% of these folks show mutations in the gene encoding copper/zinc superoxide dismutase.
Answered 10/26/2014
3.6k views
6 doctors weighed in across 2 answers
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