of fluids per day, although individual needs vary depending on body size, activity level, climate, diet, and health status.
A simple guide is urine color: pale-yellow urine generally indicates adequate hydration, although urine color can be affected by certain foods, medications, and supplements.
3. Drink consistently, not all at once
Spacing fluid intake throughout the day is generally more practical and effective than consuming a very large amount at one time.
4. Adjust for activity and environment
Exercise, hot weather, fever, vomiting, or diarrhea can increase fluid needs. When sweating