Atherosclerosis is a hardening and narrowing of your arteries because of the development of plaque. At first, there are commonly no indications. At the point when serious, it is usual cause of heart attacks, strokes, peripheral vascular disease together are called cardiovascular. Risk factors include unusual cholesterol levels, hypertension, diabetes, smoking, family ancestry, and an undesirable eating habit. Plaque is comprised of fat, cholesterol, calcium, and different substances found in the blood. The narrowing of supply routes confines the progression of oxygen-rich blood to parts of the body. Diagnosis depends on a physical test, electrocardiogram, and exercise pressure test, among others. Symptoms includes Arrhythmia, pain or pressure in your upper body, including your chest, arms, neck, or jaw, dropping facial muscle, paralysis, severe headache.