Why am I suddenly unable to tolerate coffee? Unveiling the Causes
                                
                                
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                                    4 min read                                
                            
                                According to research, approximately 10-20% of the population experiences heightened sensitivity to caffeine, but for some, the change is sudden. Discovering why you are suddenly unable to tolerate coffee can be frustrating, especially if it was a daily ritual. This unexpected shift can be due to a range of underlying factors, from genetics to hormonal changes.