Don't drink ice water under the following circumstances:
1, elderly people with poor digestive function, gastrointestinal diseases, or physical weakness, recovery from postoperative diseases, and decreased digestive ability should pay attention to the temperature of food and keep it properly warm, preferably slightly higher than body temperature.
2. In hot summer, drink more salty boiled water to supplement the lost water and salt. Try not to drink or drink less cold ice water. Drinking tea in midsummer can not only replenish water and lost vitamins and other essential substances, but also promote fluid production to quench thirst, refresh the mind and stimulate appetite.
3. When the intensity of exercise is relatively high, the heart itself is running at a high speed, and the heart is in a relatively high load state. At this time, if you drink a lot of ice water and cold water, it will stimulate capillary contraction, increase peripheral vascular resistance, increase heart load, and easily induce some heart diseases and lead to sudden death.
Extended data
Scientific water supply method:
From a scientific point of view, it is not recommended that you drink a lot of cold water immediately after exercise, because this in itself violates people's normal physiological functions. Don't drink water immediately after exercise, walk slowly to restore the heart rate to normal level, and then drink water properly. After exercise, you are in a state of high metabolism. At this time, you should pay attention to three points when drinking water:
First, the drinking water temperature is appropriate, preferably warm water, and do not stimulate blood vessels;
Second, drink water slowly;
Third, the amount should not be too large, about 200 ml at a time, and gradually added. Just drink water after exercise. If the amount of exercise is really large, you can add some water or a drink with salt (sodium chloride).
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People's Daily Online-Can drinking cold water after exercise lead to sudden death? Cold water said: I am just a fuse.