Which water is best while studying? The ultimate guide to optimal hydration for focus and brainpower
                                
                                
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                                    4 min read                                
                            
                                According to the Journal of the American College of Nutrition, even mild dehydration, a water loss of just 1-2% of body weight, can impair cognitive performance, mood, and concentration. Understanding **which water is best while studying** is crucial for maintaining peak mental function and achieving academic success.