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Mutant glutamate transport proteins are also associated with sporadic forms of ALS, further supporting the idea that elevated levels of glutamate-mediated excitation can kill motor neurons in ALS patients (Lin 1998

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"In this case the authors have congregated a few cases, but it could just be the tip of the iceberg and it will take further study to really investigate if, in fact, this is a serious adverse event," Heymsfield says

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