Study yields new insights into why some people get headaches from red wine | Ars Technica
But the science to date is largely unclear regarding which components of red wine are responsible, as well as the mechanisms behind the phenomenon. A team of California scientists has narrowed down the likely culprits to a flavonol called quercetin, according to a new paper published in the journal Scientific Reports, although they have yet to run experiments with participants prone to RWH to test their hypothesis.
