What would happen when you didn't drink water?
Water permeates our surroundings, existing in various forms, from soil moisture to ice caps, and even within the cells of our bodies. The average human, influenced by factors such as location, age, sex, and fat index, comprises 55-60% water. At birth, infants are remarkably water-rich at 75%, akin to fish, though this diminishes to 65% by their first birthday. Water plays a pivotal role in our bodies, cushioning joints, regulating temperature, and nourishing the brain, with adults' brains and hearts consisting of nearly three-quarters water. Despite our aquatic composition, the necessity of drinking water arises from the daily loss of two to three liters through sweat, urine, bowel movements, and respiration. Maintaining a balanced water level is crucial to prevent dehydration or over-hydration, both of which can adversely affect health. The body's response to low water levels involves releasing antidiuretic hormone, leading to concentrated urine and potential adverse effects on energy, mood, skin moisture, and cognitive function. Over-hydration, often seen in athletes, can result in hyponatremia, causing cells to swell and, in extreme cases, lead to water intoxication. While the conventional wisdom of eight glasses a day has been refined, the recommended daily intake varies based on factors like weight and environment. Beyond water, beverages like coffee and tea, as well as water-rich foods like fruits and vegetables, contribute to daily hydration and offer additional health benefits. Maintaining optimal hydration levels has been linked to reduced stroke risk, better diabetes management, and a potential decrease in certain cancer risks, emphasizing the profound impact of adequate liquid intake on our overall well-being.