Exactly right, AM4747! The issue is not what the glutamate does, because that was given to us in the premises. Rather, it's where it came from. We found it in the blood, so it must have leaked from damaged nerve cells. What if instead it was ingested? Maybe it came from external contact? Maybe, as you said, it also is released by healthy nerve cells? The source of the glutamate, rather than the effect it has, is the issue here.
#20 - In a recent study of stroke patients, those who