Foods with a high content of polyunsaturated fatty acids are especially useful for strengthening the health of the cardiovascular system.
In an interview with cardiologist Sergey Ivanov, an opinion was expressed :
“Fat must still be supplied to the body, it has a lot of functions – energy and other.”
Explaining what types of fats are good for the heart, cardiologist Ivanov noted that the most important are the sources of polyunsaturated fatty acids. This type of fat includes, for example, omega-3s known to many. The doctor said that these fats help reduce the level of “bad” cholesterol in the body, which can accumulate in the arteries, causing the development of atherosclerosis, hypertension, and heart problems.
“These polyunsaturated fatty acids are primarily found in fatty fish, nuts, avocado, olive oil, flaxseed, cedar,” the expert said.
Ivanov stressed that heart-healthy fats are not limited to omega-3s. For good heart health, it is not so much omega-3s that are important, but the ratio in which the body receives this type of fatty acids with omega-6 and omega-9 fatty acids.
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“It is the ratio of intake of omega-3, omega-6, omega-9 into the body that is important.”
Also, cardiologist Ivanov determined the most harmful fats for the heart. The doctor urged Russians to eat as little as possible mayonnaise, which leads to an increase in cholesterol levels, as well as various sausages and sausages. The expert concluded that heart health begins to suffer when a person's diet contains a lot of solid, saturated animal fats. provide stable blood sugar levels. 
Sergey Ivanov healthy lifestyle doctor – cardiologist of the highest qualification category, doctor of functional diagnostics, candidate of medical sciences, associate professor