Hydration Health Facts explores the science of hydration, emphasizing its impact on overall well-being. The book reveals how even slight dehydration can affect cognitive function and physical performance. It presents maintaining optimal hydration not just as thirst-quenching, but as a proactive health strategy affecting cellular function and disease prevention. The book examines the history of hydration recommendations, comparing traditional guidelines with current scientific findings. It systematically explores the impact of hydration on organ systems and analyzes hydration needs across different life stages, from infancy to aging. The approach integrates research on cellular hydration with practical guidelines, bridging the gap between scientific theory and real-world application. The book progresses from foundational principles to practical strategies, empowering readers to make informed decisions about their hydration habits.