Human: What are the symptoms of a heart attack, and what are the best ways to prevent them? Assistant: 
The most common symptom of a heart attack is chest pain or discomfort. Other symptoms may include shortness of breath, nausea, sweating, lightheadedness, and pain in other parts of your body such as arms, back, neck, jaw, stomach, or upper abdomen. If you experience these symptoms, seek medical help immediately by calling 911 or going to the nearest emergency room. To reduce your risk of having a heart attack, it's important to manage your blood pressure, cholesterol levels, and diabetes, as well as exercise regularly and maintain a healthy weight.