Doctors classify heart disease as the “biggest killer in the world” and it includes various conditions that affect the heart or blood vessels.

Heart disease is usually caused by an increased risk of fatty deposits or blood clots in the arteries. Fortunately, there are many ways to maintain a healthy heart.

According to the Express newspaper, following certain diets to keep the heart healthy or focusing on certain foods and increasing them can help protect you from heart disease, especially dangerous ones.

And the Mayo Clinic says that one of the foods that can help is fish, so “If you’re worried about your heart health, eating at least two servings of fish a week can reduce your risk of heart disease.”

The heart-healthy portion of fish is particularly notable for its omega-3 fatty acids, which are beneficial for heart health and reduce the risk of death from heart disease.

These fatty acids are especially found in fatty fish such as salmon, mackerel, herring and tuna.

According to the National Library of Medicine, supplements containing fish oil have been linked to improved arterial function and lower blood pressure.

The Centers for Disease Control and Prevention (CDC) explains that blood pressure is a risk factor for heart disease because it causes the arteries to become less flexible and reduces the flow of blood and oxygen to the heart.

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Another risk factor for heart disease that is reduced by eating fish is high cholesterol because fats accumulate in the blood, making it difficult for adequate blood flow through the arteries.

Although fish is high in fat, it is also a good source of fat for the heart. For example, other types of fats, such as saturated fat, can lead to high cholesterol and heart disease.

The Mayo Clinic explains that fish is a good alternative to high-fat meat.

Physicians and nutritionists recommend adding two types of fish to your weekly diet, which should include oily fish and 140 grams of cooked fatty fish per meal.

However, eating this fatty diet is not the only way to reduce your risk for heart disease because many lifestyle interventions can stop exercising and smoking.