Water is closely related to hypertension, pay attention to hypertension
What is hypertension?
Hypertension is the most common cardiovascular disease in the world and one of the largest epidemics. It often causes complications in the heart, brain, kidneys and other organs, seriously endangering human health.
(1) According to the 1999 "Guidelines for the Prevention and Treatment of Hypertension in China", the normal blood pressure range for adults is: systolic pressure <130 mmHg, diastolic pressure <85 mmHg.
(2) Diagnostic criteria for hypertension: After minimizing or eliminating various interfering factors, hypertension can be diagnosed if the resting blood pressure (sitting for 5 to 15 minutes) is ≥140/90 mmHg three times on different days.
Expert Tips: According to the recommendations of the World Health Organization, blood pressure must be measured multiple times when diagnosing hypertension. A person with only one elevated blood pressure cannot be diagnosed and needs to be followed up.
Causes of hypertension
1, As the human body gradually ages, blood vessels will age, and there will be a lot of dirt in the blood vessel wall. The blood vessel wall becomes thicker, resulting in a smaller diameter of the blood vessel, which is equivalent to being blocked. In addition, blood vessels will gradually lose elasticity with age and become a curved tube, making blood transportation difficult, and blood pressure has to be increased to make blood flow more smoothly.
2, If blood fat and cholesterol are too high, the viscosity of the blood will be too high, the blood flow will slow down, and many attachments will be deposited on the blood vessels, and more and more, and the blood flow will also slow down.
Because every cell in the body needs to be transported with nutrients through the blood flow, so that it can survive and continue to metabolize, the heart has to use greater force to deliver blood to various parts of the body, so blood pressure rises.
Lack of water: potential risk of hypertension
There are two main causes of hypertension, one is "secondary hypertension" and the other is "primary hypertension".
Secondary hypertension is mainly caused by tumors, endocrine disorders, kidney disease or other drugs, which require treatment based on the cause.
The other "primary hypertension" accounts for the vast majority of hypertension. Two main factors determine high and low blood pressure, one is vascular resistance and the other is blood flow.
Primary hypertension is the result of the body's self-adjustment due to insufficient water. To adapt to the loss of blood volume, the arterial system of the whole body selectively closes certain cavities. One of the main reasons for the loss of blood volume is the loss of body water or the insufficient water supply caused by the insensitivity of the dehydration detection mechanism.
When the amount of water intake cannot meet the body's needs, some cells will dehydrate and allow water to enter the blood circulation system; the capillary beds in some parts are forced to close in order to adjust the storage and flow rate.
When the body is dehydrated or there is a drought, 66% of the water in the cells is absorbed into the blood circulation system. 26% of the water outside the cells is absorbed into the blood circulation system, and 8% of the water is absorbed from the blood.
Drinking more water is good for health, and for patients with hypertension, drinking water must be scientific and healthy to better control blood pressure.
Drinking water temperature
The water temperature should not be too hot or too cold. If the water temperature is too hot, it is easy to damage the digestive tract mucosa and accelerate blood circulation, thereby increasing the burden on the heart. If the water is too cold, it is easy to stimulate the gastrointestinal blood vessels and cause them to contract, which will cause cardiovascular and cerebrovascular contraction and cause insufficient blood supply to the heart and brain.
The recommended drinking water temperature is around 40~45 degrees Celsius.
how much water to drink per day?
People must drink more than 2000 ml of water every day. Pay attention to drinking water rich in minerals such as calcium and magnesium. Studies have shown that consuming enough calcium and magnesium can effectively prevent arteriosclerosis and reduce high blood pressure to normal.
When sweating too much, you can supplement with light salt water appropriately and try not to drink purified water, because purified water removes substances that are beneficial to the body and is not suitable for patients with hypertension.
How often should you drink water a day?
Principle: drink small amounts frequently.
Some people drink water very rarely every day, and drink it all at once, such as drinking a large glass of water at a time, and then drinking very little water in the morning or afternoon. This is unreasonable and may cause a sudden transient increase in blood pressure, which is not conducive to blood pressure stability.
The most scientific way is to drink small amounts frequently, about 300-400 ml each time, at least 8 times a day, and the minimum daily water intake is 2000 ml.
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