Schedule an appointment with your doctor to get screened for heart disease risk factors including blood pressure, cholesterol, and glucose levels.
In addition:
If you smoke, take steps to quit.
Schedule annual physicals with your doctor.
Eat a heart-healthy diet, high in grains, fruits, and vegetables.
Participate in regular physical activity, such as running, biking, tennis, etc.
Learn what a healthy weight is for your body, and take steps to reach and maintain that weight.