- Dark urine
- Muscle cramps
- Fatigue
- Dizziness
- Rapid heartbeat
Experts recommend increasing fluid intake during physical activity and hot climates. (cdc.gov)
5. Believing Everyone Needs the Exact Same Amount
A common myth is that everyone must drink exactly 8 glasses of water per day. In reality, hydration needs vary depending on:
- Age
- Body size
- Climate
- Activity level
- Diet
- Health conditions
Some fluids also come from foods like fruits and vegetables. Experts suggest paying attention to thirst, urine color, and overall hydration rather than following a rigid number alone. (eatright.org)
