No. Caffeinated and sugary beverages act as diuretics, meaning they cause your body to lose fluids rather than gain them. Pure water is always the best source of hydration.

Yes. Drinking excessive amounts of water in a short time can lead to water intoxication (hyponatremia). This occurs when sodium levels in the blood drop too low, causing cellular swelling. Balance is key.

The simplest indicator is the color of your urine. Clear or pale yellow indicates proper hydration, while dark yellow or amber urine suggests you need to drink more water.