One of the most serious results of heart disease is to experience a heart attack. To reduce the risks of a heart attack here are a few helpful tips. Begin your screenings early. Quit smoking now! Smoking is the single most preventable cause of heart disease. Stress also increases your chance of a heart attack. Follow these simple tips for reducing the chance of a heart attack: early screenings, stop smoking and reduce stress. To learn more, talk to your Marc's pharmacist.