What Does It Mean to Have No Caffeine?
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, over 90% of adults in the U.S. consume caffeine regularly, making it the most widely used psychoactive substance. For many, the idea of giving it up seems daunting, but cutting out caffeine means a profound shift in both your body and mind, impacting everything from your energy levels to your sleep patterns.