Red-wine headache explained - and it is not about volume
Source: BBC
Red-wine headache explained - and it is not about volume
20 November 2023
By Michelle Roberts
Digital health editor
US researchers say they may have discovered why some people get a headache after just one small glass of red wine, even though they are fine drinking other types of alcohol.
The University of California team say it is due to a compound in red grapes that can mess with how the body metabolises alcohol.
The compound is an antioxidant or flavanol called quercetin.
Cabernets from the sunny Napa Valley contain high levels of it, they say.
High-quality grapes
Red grapes make more quercetin when they are exposed to sunshine.
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Read more: https://www.bbc.com/news/health-67449509
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The article goes on to explain that grapes for the cheaper wines tend be grown under canopies, thus getting less sunshine and less quercetin.