High blood pressure, also called hypertension, is one of the most common long-term health problems around the world.
Millions of people live with it, and many do not even know they have it because it often causes no clear symptoms in the early stages.
This is why it is sometimes called a “silent killer.” Over time, high blood pressure can slowly damage blood vessels and place extra strain on the heart. If it is not controlled, it can increase the risk of heart attack, stroke, heart failure, kidney disease, and even vision problems.
The good news is that many people can lower their blood pressure by making healthy lifestyle changes. Medicines are often important, especially when blood pressure is very high, but what people eat every day also plays a major role.
Some foods can help keep blood pressure at a healthy level, while others can make it harder to control. Learning which foods to avoid is a simple step that can make a real difference.
One of the biggest causes of high blood pressure is eating too much salt. Salt contains sodium, a mineral that the body needs in small amounts. However, when people eat too much sodium, the body holds on to extra water.
This extra fluid increases the amount of blood moving through the blood vessels, causing blood pressure to rise.
The World Health Organization recommends that most adults keep sodium intake below about 2,300 milligrams a day, which is close to one teaspoon of salt. Many people eat much more than this without realizing it because large amounts of sodium are hidden in packaged and processed foods.
Foods such as canned soups, instant noodles, frozen meals, chips, sauces, deli meats, and many takeaway foods often contain large amounts of salt. Even foods that do not taste salty, including bread, breakfast cereals, and some cheese products, may contain surprising amounts of sodium. Reading nutrition labels and choosing products marked as lower in sodium can help people reduce their daily intake.
Foods and drinks with a lot of added sugar should also be limited. Sugar does not usually raise blood pressure immediately, but eating too much over time can lead to weight gain. Extra body weight makes the heart work harder and is closely linked with higher blood pressure.
Soft drinks, energy drinks, sweetened coffee, sweet tea, fruit drinks, and many desserts contain large amounts of added sugar. Replacing these drinks with water, sparkling water, or unsweetened tea is a simple change that can improve overall health.
Fried foods and foods rich in unhealthy fats are another concern. Many fast foods, fried chicken, pastries, doughnuts, and deep-fried snacks contain large amounts of saturated fat or trans fat. These unhealthy fats can increase cholesterol and damage blood vessels. Over time, the arteries become narrower and less flexible, making it more difficult for blood to flow. As a result, blood pressure may rise. Healthier fats found in foods such as nuts, seeds, avocados, olive oil, and oily fish are better choices for heart health.
Processed meats are also worth avoiding. Foods like bacon, sausages, hot dogs, ham, and salami are often high in both salt and preservatives, including nitrates. Research published in the journal Hypertension found that people who regularly ate larger amounts of processed meat were more likely to have higher blood pressure. Choosing fresh chicken, turkey, fish, beans, lentils, tofu, or other lean protein foods is a healthier option.
Alcohol can also affect blood pressure. Drinking small amounts may not cause problems for everyone, but drinking too much can quickly raise blood pressure and reduce the benefits of blood pressure medicines. People with hypertension should speak with their doctor about what level of alcohol is safe for them.
Healthy eating is not only about avoiding certain foods. Filling meals with vegetables, fruit, whole grains, beans, nuts, seeds, and lean protein provides vitamins, minerals, fibre, and other nutrients that support heart health. Preparing more meals at home also gives people greater control over the amount of salt, sugar, and fat in their food.
Small changes made every day often become powerful habits over time. Swapping processed foods for fresh ingredients, drinking more water instead of sugary drinks, and choosing healthier snacks can all help lower blood pressure and reduce the risk of serious disease. Looking after your heart begins with the everyday choices made at the dining table.
This health information is based on findings from research published in the journal Hypertension and guidance from the World Health Organization.
If you care about blood pressure, please read studies that black licorice could cause dangerous high blood pressure, and this common plant nutrient could help reduce high blood pressure.
For more information about blood pressure, please see recent studies about how coffee influence your risk of high blood pressure, and results showing this olive oil could reduce blood pressure in healthy people.
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