What Happens if I Drink 7 Cups of Coffee a Day?
                                
                                
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                                    5 min read                                
                            
                                According to the FDA, most healthy adults can safely consume up to 400 mg of caffeine daily, which is roughly four 8-ounce cups of coffee. Drinking 7 cups of coffee a day pushes you significantly past this recommended limit and can trigger a range of negative side effects, from anxiety to insomnia.