This document provides information about heart attacks, including: - What causes a heart attack - plaque buildup in arteries restricting blood flow and a plaque rupture causing a blood clot blockage. - Warning signs of a heart attack like chest pain or discomfort. - The importance of not delaying and calling emergency services within 5 minutes of symptoms starting. - Misconceptions about what a heart attack feels like and that symptoms can be mild. - Risk factors for heart attacks including age, family history, smoking, diabetes, cholesterol levels and blood pressure.