That’s where a water intake calculator comes into play. These calculators use your age, height, weight, activity level, and location to determine how much water you should be drinking a day. The ...

Triple-digit heat days are starting to pile up, and it’s important for us to stay hydrated. We’ve all heard that 8 glasses of water each day is best. But the truth is, how much water you need varies.

Dehydration causes the stress hormone cortisol to increase, making you feel more stressed. Know the hydration rules to be ...

Habitual fluid intake and hydration status influence cortisol reactivity to acute psychosocial stress - ...