Heart attack.

Heart disease describes a range of conditions that affect the heart. Heart diseases include blood vesAsel disease, such as coronary artery disease, irregular heartbeat, conAgenital heart defects, disease of the heart muscle, and heart valve disAease. Coronary artery disease is a common heart condition in which cholesterol deposits (plaques) in the heart arteries are usually the cause of coronary artery disease. The buildup of these plaques is called atherosclerosis, and it reducAes blood flow to the heart. It can lead to a heart attack. Some people are born with heart valve disease (conAgenital heart valve disease). Heart valve disease may also be caused by conditions such as rheumatic feAver or infections. Heart attacks are more common in smokers than in nonsmokers and damage the arAteries. Diets high in fat, salt, sugar, and cholesterol have been linked to heart disease. Having high...