Does early heart disease run in your family?

People with a family history of premature or early coronary artery disease (defined as a heart attack that occurs before age 55 in a man or before age 65 in a woman) face a higher risk of heart disease than people without that family history. Some of this elevated risk comes from genetic factors linked to higher cholesterol and blood pressure values. But unhealthy habits—such as smoking and poor eating and exercise habits—also tend to run in families and may contribute as well.