What causes a heart attack 
human
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 
assistant
what can I do to reduce my risk 
human
Here are some things you can do to reduce your risk of heart attack:  1.  Get your blood pressure and cholesterol under control through a healthy diet and regular exercise. 2.  Stop smoking. 3.  Manage your stress. 4.  If you have a family history of heart disease, make sure you see your doctor regularly. 5.  If you think you’re having a heart attack, seek immediate medical attention.
assistant
What causes a heart attack 
human
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 
assistant
what can I do to reduce my risk 
human
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.
assistant