Indeed. It turns out that “MSG headaches” are just high sodium level headaches, either through dehydration, unbalanced electrolytes, elevated blood pressure or whatever else higher than normal sodium levels cause headaches. The same headache could be caused by salt. MSG actually makes recipes require less of other flavor ingredients, including salt. It’s also often found in dishes that still contain relatively massive amounts of salt.
So a little MSG to get your taste buds extra sensitive to other flavors is a net good. Just don’t eat too much sodium altogether, balance your electrolytes, and stay hydrated.
This effect is very obvious on me. I consistently get headaches when my sodium intake is too high. I don’t even use MSG in my own cooking but occasionally I add too much salt.
Doesnt all sodium chemicals like salt and baking soda increase taste perception?
I drank sodas with aspartame just fine for many decades. Then one day they suddenly started giving me migraines any time I had one, so I had to quit cold turkey. No other amount of caffeine, regular sodas, salty foods, MSG-laden meals etc. seem to trigger it though, and I have no idea why.
> So a little MSG to get your taste buds extra sensitive to other flavors is a net good.
Salt and MSG are sometimes said to strengthen existing flavors, but I'm pretty sure they mainly just contribute their own unique taste: salty and umami.
(There could of course theoretically be some interactions with other taste receptors, similar to how sweet things make things taste much less bitter, e.g. cocoa, but that is a relatively specific effect and not one that acts as a general flavor enhancer.)
I have a family member who has discovered through gradual process of elimination that she gets migraines from MSG, aspartame and yeast extract. "just sodium headaches" doesn't really apply to her case; simply chewing a piece of gum that has aspartame, or eating a piece of meat cooked with MSG in her salad is enough to trigger them. I agree in the general sense with your comment and the article that there's no widespread danger to public health from these additives, but it doesn't mean there aren't still individuals whose health gets messed up (including legitimate headache or migraine symptoms) by these additives.