Health News & Fitness Tips

Water is essential for life. Every day, your body uses water to regulate temperature, support digestion, transport nutrients, lubricate joints, and remove waste. Yet one of the most common health questions is how much water to drink each day. You may have heard that everyone should drink eight glasses of water daily. While that can be a simple reminder, hydration needs are not identical for every person. Your age, body size, activity level, diet, climate, pregnancy status, and health can all affect how much fluid you need. According to the National Academies, adult men ages 19–30 have an adequate intake of about 3.7 liters of total water per day, while adult women have an adequate intake of about 2.7 liters. Importantly, these figures include water from both beverages and food. How Much Water Should You Drink a Day? The answer depends on the individual. For healthy adults, National Academies reference values provide a useful general guide: Adult men: about 3.7 liters (125 ou...