plain water is generally enough. But prolonged, intense exercise—particularly in hot conditions—can result in substantial losses of water and sodium through sweat.
In these situations, a balanced hydration strategy that includes electrolytes may be appropriate.
4. Assuming Ice-Cold Water Is Always Better
Cold water isn’t inherently unhealthy. In fact, many people find it refreshing.
However, some people may experience temporary tooth sensitivity, stomach discomfort, throat irritation, or a brief headache after drinking very cold water.
The most important thing is choosing a temperature that feels comfortable and makes it easy
