Cardiovascular diseases involve the blood vessels, the heart, or both. The cardiovascular or circulatory system supplies the body with blood. It consists of the heart, arteries, veins, and capillaries. There are several types of cardiovascular disease, but treatment , symptoms, and prevention often overlap. The term "heart disease" is often used interchangeably with the term "cardiovascular disease." Cardiovascular disease generally refers to conditions that involve narrowed or blocked blood vessels that can lead to a heart attack, chest pain (angina) or stroke. Other heart conditions, such as those that affect your heart's muscle, valves or rhythm, also are considered forms of heart disease. CVD is commonly related to atherosclerosis, a process whereby fatty deposits ('plaques') form in your arteries, causing them to narrow and possibly block completely. When atherosclerosis affects the major arteries in the body it can cause a heart attack, ...