On: How MSG Got a Bad Rap (2016)

[drewmol]

from [0]:

>Because of the absence of proper blinding, and the inconsistency of the findings, we conclude that further studies are required to evaluate whether or not a causal relationship exists between MSG ingestion and headache.

[kazinator → drewmol]

And that's from people paid by their boss to show that there is no such effect.