Atherosclerosis is a condition in which the arteries become hardened and narrowed, leading to an increased risk of heart attack and stroke. The major cause of atherosclerosis is due to a combination of lifestyle factors, such as unhealthy diet, lack of exercise, smoking, and high blood pressure.
Unhealthy diets, such as those high in saturated and trans fats, increase the risk of atherosclerosis by contributing to the buildup of fatty deposits in the arteries. This fatty material, known as plaque, can narrow the arteries and limit the amount of blood that can flow to the heart.
Lack of exercise and physical activity can also contribute to the development of atherosclerosis. Regular physical activity can help to reduce the risk of atherosclerosis by improving blood circulation and reducing fat and cholesterol levels in the body.
Smoking is another major risk factor for atherosclerosis. The chemicals in cigarettes can cause narrowing of the arteries and damage the lining of the arteries, both of which can lead to the formation of plaque.
Finally, high blood pressure can also contribute to the development of atherosclerosis. High blood pressure can cause damage to the walls of the arteries, leading to the buildup of plaque.
In summary, the major cause of atherosclerosis is due to a combination of lifestyle factors, including unhealthy diet, lack of exercise, smoking, and high blood pressure. All of these factors can contribute to the narrowing of the arteries and the buildup of plaque, leading to an increased risk of heart attack and stroke.