Arteries can become narrowed or blocked due to the buildup of plaque, a combination of fat, cholesterol, calcium, and other substances that accumulate on the inner walls of arteries over time. This condition is called atherosclerosis.
Arteries can become narrowed or blocked due to the buildup of plaque, a combination of fat, cholesterol, calcium, and other substances that accumulate on the inner walls of arteries over time. This condition is called atherosclerosis.