Coronary artery disease (CAD) disrupts the functioning of your coronary arteries. Your heart depends on these vessels to supply enough blood for it to work properly. As CAD progresses, patients experience a buildup of plaque inside their coronary arteries, causing them to narrow or become blocked.
If any of your relatives have heart disease, this could increase your risk of developing CAD. It's also important to keep an eye on diet and exercise habits, as these also factor into the likelihood of having heart disease.

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