What Does Drinking 3 Cups of Water a Day Do? The Impact of Minimal Hydration
                                
                                
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                                    4 min read                                
                            
                                The human body is composed of about 60% water, a fact highlighting its essential role in nearly every bodily function. So, what does drinking 3 cups of water a day do for your system? For the average adult, this minimal intake is likely insufficient and could leave the body in a state of mild dehydration, impacting mood, cognition, and overall health.