Atherosclerosis is the build-up of fat and cholesterol-filled plaques inside the artery walls, which can restrict blood flow. These plaques have the potential to rupture leading to the development of a clot. A clot may restrict blood flow further or dislodge and obstruct another vessel. Atherosclerosis increases the risk of cardiovascular disease including heart attack and stroke. It can affect any artery in the body and is a preventable and treatable condition. You can read about it on our webs