- When you drink cold water, your body has to expend energy to warm up the water in order to use it.
- Cold water constricts blood vessels, thus reducing hydration and its absorbability.
- Drinking cold water solidifies the fats in your food, causing your body to have to work harder in digesting the food.
- Cold water creates excess mucus in your respiratory system. When your lungs get congested, you are more susceptible to various infections and chances of a throat infection are higher.