Researchers 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. It is due to a compound in red grapes that mess with how the body metabolises alcohol called quercetin.

Researchers 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. It is due to a compound in red grapes that mess with how the body metabolises alcohol called quercetin.