The Science Behind How Much Water Should I Drink Daily Water is essential for our survival. But when it comes to the question, “How much water should I drink daily?” the answer can be surprisingly complicated. The science behind hydration reveals several factors that influence how much water your body needs. Let’s dive into the details. The human body is composed of approximately 60% water . This water plays vital roles in our physiological functions, such as regulating body temperature, keeping joints lubricated, and aiding in nutrient absorption. Since our bodies constantly lose water through sweat, urine, and even breathing, replenishing it is crucial for maintaining health. Generally, many health authorities recommend the “8 by 8” rule. This suggests drinking eight 8-ounce glasses of water per day, totaling about 2 liters or half a gallon. However, recent studies indicate that this guideline may not fit everyone. Individual hydration needs can vary greatly based on several facto...
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