How to calculate fluid needs per day? A personalized guide
                                
                                
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                                    4 min read                                
                            
                                Mild dehydration, resulting from fluid loss of as little as 1–3%, can significantly impair mood, concentration, and energy levels. Moving beyond generic advice, learning how to calculate fluid needs per day based on your unique body is crucial for supporting essential bodily functions and maximizing physical and mental performance.