Flutterby™! : Red Wine causes headaches

I always thought this was the hallucination of stoners: Scientists reveal why red wine gives you the worst hangovers

A team of scientists at the University of California discovered that there is a nutrient called ‘quercitin’ in red wine that actually stops your body from processing alcohol.

UCLA Health: Research suggests quercetin linked to red wine headaches

UC Davis: The Conversation: Why Does Red Wine Cause Headaches? — UC Davis Research Points to Compound Found in Grapes' Skin

Inhibition of ALDH2 by quercetin glucuronide suggests a new hypothesis to explain red wine headaches

Endogenous and exogenous mediators of quercetin bioavailability.