Why does red wine make me feel terrible? Uncovering the complex culprits
                                
                                
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                                    4 min read                                
                            
                                According to a 2023 study published in *Scientific Reports*, a flavonoid called quercetin, abundant in red grapes, can disrupt the body's normal process of metabolizing alcohol, potentially explaining the infamous red wine headache. However, this isn't the only reason some people react poorly to red wine.