What is heart disease?

Heart disease is a condition in which plaque builds up in the artery walls, according to the American Heart AssociationOff Site Icon (AHA). Heart disease is also known as cardiovascular disease.

As the plaque builds, it causes the arteries to narrow and make it hard for blood to flow throughout the body. This causes a risk for heart attack and stroke, according to the AHA.

Types of heart disease, according to the AHA, include:

  • Arrhythmia (an irregular heartbeat)
  • Heart failure
  • Heart valve problems.

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