Why does red wine cause headaches?

The phenomenon of red wine headaches, documented since Roman times, has puzzled researchers for centuries. While sulphites, biogenic amines, and tannins have been blamed, new research points to quercetin, a phenolic compound abundant in red wine, as a more likely culprit. Guest: Dr. Andrew Waterhouse - Professor of Enology at the University of California, Davis Learn more about your ad choices. Visit megaphone.fm/adchoices