How much water to drink every day
The amount of water a person drinks in a day is related to age, amount of exercise, climate change, illness, occupation, etc. A healthy person should drink at least 8-10 cups (240 ml/cup) a day. If you exercise a lot or live in a hot zone, you will drink more water. The formula for daily water consumption provided by the International Institute of Medicine is: If you are an athlete, you should drink 20 ml of water for every half kilogram of body weight.
If a person does not drink enough water, the excrement through the kidneys cannot be discharged completely, and accumulate in the body, which can cause kidney stones and other diseases; It will infiltrate the cells, swell the cells, and cause the greatest harm to the heart and brain. Because the brain tissue is fixed in the hard skull, once the brain cells are edema, the intracranial pressure increases, which can cause headache or vomiting, fatigue, and blurred vision. In severe cases, it can cause people to coma and be in dangerous symptoms. In addition, the edema of the whole body cells will increase the workload of the heart, increase blood pressure, and increase the burden on the kidneys and the heart, aggravate the symptoms of certain diseases, and also dilute the gastric juice and affect the digestion of food. Therefore, it is very necessary to scientifically grasp the amount of water a person drinks per day.
Therefore, the elderly and those with weak physique should not drink too much or too much water at a time after work or exercise, and it is appropriate to quench their thirst by “drinking less frequently”.