In Japan, approximately one in two people over the age of 20 suffers from high blood pressure, and it is said that preventing high blood pressure could save as many as 100,000 lives annually. However, the reality is that many people don't know what specifically they should do to improve their blood pressure. Therefore, this article will provide a detailed explanation of specific and effective lifestyle changes you can make to lower your blood pressure.

Causes of high blood pressure
It is believed that excessive salt intake is a major cause of high blood pressure in Japanese people. Other contributing factors include obesity, alcohol consumption, and accumulated stress. Most cases of high blood pressure are said to be essential hypertension, which occurs without any specific underlying cause.
Methods to improve high blood pressure
Now, let's look at some specific ways to improve high blood pressure.
1. Limit your salt intake.
To prevent high blood pressure, it is recommended to limit salt intake to less than 6g per day. Here are some ways to reduce your salt intake:
- Reduce consumption of processed foods.
- The dishes are flavored with natural herbs and spices.
- Reduce the use of soy sauce and miso.
2. Consume potassium.
Potassium promotes the excretion of sodium and has the effect of lowering blood pressure. According to the "Dietary Reference Intakes for Japanese 2020," the recommended daily intake of potassium is 2,500 mg for men and 2,000 mg for women. Foods rich in potassium include the following:
- banana
- spinach
- avocado
- sweet potato
3. Maintain a healthy weight.
Obesity is a major risk factor for high blood pressure. While the risk of developing high blood pressure is considered 1 for those with a BMI below 20, it is known that those with a BMI between 25.0 and 29.9 are 1.5 to 2.5 times more likely to develop it. Maintaining a healthy weight requires a balanced diet and regular exercise.
4. Get moderate exercise.
Exercise is effective in lowering blood pressure. Aim for at least 40 minutes of exercise per day, with each session lasting 10 minutes or more. Light exercise is sufficient, so incorporate activities like walking, jogging, or cycling into your daily routine.
5. Reduce alcohol consumption and quit smoking.
Alcohol and tobacco can raise blood pressure. Men should limit their alcohol consumption to about one medium-sized bottle of beer, and women to about half a medium-sized bottle of beer, and try to quit smoking. Reducing alcohol intake will make it easier to manage your blood pressure.

If you are diagnosed with high blood pressure, it is important to see a doctor.
High blood pressure often has few noticeable symptoms. Therefore, some people don't seek treatment even when told during a health checkup that their blood pressure is on the high side. However, leaving high blood pressure untreated can lead to arteriosclerosis, potentially causing life-threatening illnesses such as stroke and myocardial infarction.
Remember that high blood pressure is a silent killer, so if you are diagnosed with it, be sure to go to the hospital and receive appropriate treatment.
summary
High blood pressure can be prevented and improved through lifestyle changes. By implementing specific measures in daily life, such as limiting salt intake, increasing potassium intake, maintaining a healthy weight, getting moderate exercise, and reducing alcohol consumption and quitting smoking, you can lower your blood pressure without medication. High blood pressure is also known as a silent killer, a frightening condition that erodes your health without any noticeable symptoms. Let's review our daily lifestyle habits and live a healthy life.
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