Why is hydration important in nutrition?

Hydration is essential in nutrition because it supports a variety of crucial bodily functions, including temperature regulation. Water is vital for maintaining homeostasis, the body's internal balance. For instance, it helps regulate body temperature through sweating and respiration. When the body heats up, sweat evaporates from the skin surface, which cools the body down. Moreover, adequate hydration is necessary for proper digestion, nutrient absorption, circulation, and elimination of waste. Without sufficient water intake, these processes can be impaired, leading to dehydration and other health issues. This demonstrates the critical role hydration plays in overall health and wellness.