Atherosclerosis (also known as atherosclerotic cardiovascular disease) is when plaque (a substance made mostly of cholesterol, fat, and calcium) builds up in arteries and restricts blood flow. Arteries carry oxygen in the blood to the heart and the rest of the body. Plaque buildup restricts the flow of oxygen to the body. If unchecked or untreated, Atherosclerosis can lead to heart attacks or strokes which can have severe consequences, including death.

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