Danger of drinking cold water after exercise
One theory is that drinking ice water after exercise aids in weight loss. However, this can cause a “shock” to your internal organs.
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Health experts agree that it is important to stay hydrated when exercising by drinking plenty of water before, during and after your workout. However, there are differing opinions on what type of water you should drink, which relates to some of the previous theories about ice cold water.
Hydration and exercise
The importance of staying hydrated while exercising is undeniable. In a 2007 study published in the Journal of the American College of Nutrition, experts warned that dehydration can have negative effects on both your physical and mental health. Not only does dehydration lead to decreased performance, but it also hinders the flow of most compounds found in the blood to the brain.
Burn calories
Drinking ice-cold water can burn calories as the body works to raise the temperature of the liquid to match the same temperature as the body. According to Roger Clemens, of the University of Southern California School of Medicine, the actual number of calories burned is almost negligible. As quoted on the Chow website, Clemens notes that to burn enough calories to lose about 1 pound, you would have to drink many cups of ice water.
Should drink cool water
According to the Texas Heart Institute, drinking a glass of ice cold water may sound reasonable, but it is not beneficial to your health if you drink it during or immediately after exercise. The institute recommends that instead of drinking ice water, you should drink cool water, which your body will absorb faster than ice cold water. Hydration metabolism in the body will take place faster. This is especially important during exercise when the body is easily dehydrated, especially on hot summer days, when the temperature and humidity are high.
According to Gia dinh.net