Does drinking coffee affect blood pressure health?

Smart Health Watch

Coffee is one of the three major drinks in the world. Because it contains caffeine, it can refresh the mind, dispel fatigue, and improve work efficiency to a certain extent. Therefore, it is also the favorite of many professionals. In recent years, with more and more people suffering from hypertension, many of them are also coffee lovers. Therefore, we often think, can we drink coffee with hypertension?

Does drinking coffee affect hypertensive patients?

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Some people believe that caffeine in coffee can promote the activity of sympathetic nerve cells to increase, thus secreting adrenaline and other excitatory neurotransmitters. Adrenaline can cause the heart rate to accelerate and the blood pressure to increase.

But researchers in Switzerland found that caffeine may not increase blood pressure, because people who do not drink coffee usually drink decaffeinated coffee will also have higher blood pressure. At the same time, they found that any kind of coffee can increase the blood pressure of people who don't drink it often, but people who drink it often will increase their sympathetic excitability after drinking caffeinated coffee, but their blood pressure will not increase. Another study on 1017 white men with an average age of 26 found that coffee could cause a small increase in blood pressure after 33 years of follow-up, but there was no obvious relationship between coffee and hypertension.

Therefore, if hypertensive patients have a long-term habit of drinking coffee, they can continue to drink it as long as they drink it properly. For hypertensive patients who do not drink coffee frequently, it is recommended to avoid drinking coffee as much as possible to avoid causing blood pressure fluctuations.

What are the benefits of drinking coffee?

Research shows that drinking 1-2 cups of coffee a day can play the following four roles:

1. Delay aging

Coffee contains the antioxidant chlorogenic acid, which can help remove the free radicals that cause skin aging, so it can delay skin aging.

2. Reduce the risk of liver cancer

Some studies in Japan and the United States have found that people who drink one cup of coffee a day have a 20% lower risk of liver cancer than those who do not drink coffee, and the corresponding reduction rate for drinking two cups of coffee is 35%.

3. Improve memory

With age, the stress hormones in the brain will continue to accumulate, so that the memory will gradually decline. However, caffeine can block and protect the relevant receptors and delay this process.

4. Improve vascular elasticity

With the growth of age, the blood vessels will gradually harden. However, studies in Greece have found that elderly men with hypertension drink 1-2 cups of coffee every day, and the blood vessels are more elastic than those who do not drink coffee. This may be related to the reduction of oxidation process and harmful inflammatory reaction caused by flavonoids, magnesium, potassium, niacin and vitamin E in coffee.

How do people with hypertension drink coffee reasonably?

1. Drink moderately

The safe upper limit of caffeine intake is 400mg / D, which is equivalent to 4 cups of coffee. Moreover, the study found that 1-2 cups of coffee a day had the least negative impact on cardiovascular system. Therefore, it is recommended that hypertensive patients drink no more than 2 cups of coffee a day.

2. Avoid drinking coffee while drinking

The study found that drinking coffee and alcohol at the same time will cause a sharp rise in blood pressure, so it should be avoided to drink both.

3. Pay attention to the additives in coffee

In order to improve the taste of many coffee, sugar, cream or coffee partner will be added. Excessive intake of these substances will increase blood sugar and blood lipid, increase the risk of atherosclerosis, and is especially harmful to hypertensive patients. Therefore, it is better to add less or not to drink coffee with these additives when drinking coffee.

4. Avoid drinking at night

Hypertensive patients should pay attention to rest and avoid staying up late. Drinking coffee at night may cause insomnia, and poor rest may cause blood pressure rise. Therefore, it is best to drink coffee in the morning.

In short, people with high blood pressure are not unable to drink coffee.

Drinking coffee in moderation can also bring the above four benefits. Of course, everything has a degree. At the same time, coffee has an exciting effect. Remember the above four precautions, so you can drink coffee safely!