Great points, and do you have a link to the MSG research that showed a problem for people with asthma, etc.? I hadn't heard of it or anything showing MSG to be a problem, but would be interested to know if so (I suppose particularly as I do have a lot of allergies myself, but either way I doubt it would be a problem for me personally at this point, not that I have occasion to eat much MSG anyway).
But, this kind of problem is something I had been thinking of when reading through this thread. I can't off the top of my head show any direct problem with Aspartame, and I'm very willing to question the sources of some information (perhaps misinformation) on the matter with regards to it's problems.
However, one accusation against Aspartame I had heard was that many of the studies conducted showing it's safety when they sought FDA approval were found to be not only flawed, but incredibly suspicious, with some studies, for instance, waiting until dead rats had rotted for months to check certain levels, or having cut out large chunks of flesh before officially examining for the presense of tumors in what was left. This appeared to not exactly be reported, but came up with FDA officials went to inspect some findings and the lab facilities of the studies in question, which lead to the FDA's second denial of approval fr Aspartame.
BUT I hold all that as potentially hearsay or hoax as I haven't seen much hard evidence or anything I can particularly trust to support that any of it actually happened, or happened the way implied. It's also not an entirely solid argument that it took so long to push the stuff past the FDA, who aren't necessarily known for resisting anything with enough money behind it which this had (that just sounds bad, but could be meaningless and doesn't hold up as a serious argument). Still, it leaves some room for doubt and suspicion, at least for a while.
Of course, around here we all know how mixed up studies can be considering the contradictory claims about fat, sugar, carbs, cholesterol, etc that are out there. Sometimes too much is extrapolated from too little (particularly when the media takes it and the general public get the information). Sometimes people are scared of nothing. Sometimes there really is something to it all even if it's only under circumstances we haven't clearly defined yet.