

Human: What causes a heart attack

Assistant: A heart attack is usually caused by a blood clot that forms in one of the arteries that supply blood to the heart.  This blockage can cause a shortage of blood and oxygen to the heart, which can lead to a heart attack.  Some risk factors for heart attack include:

1.  High blood pressure
2.  Diabetes
3.  Smoking
4.  Family history of heart disease
5.  Lack of physical activity

Human: what can I do to reduce my risk

Assistant: 
Here are some things you can do to reduce your risk of heart attack:
The best thing you can do is not smoke or have a family history of heart disease.  However, even if you don’t smoke and your family doesn’t have a history of heart disease, you may be at risk of a heart attack.