The document discusses 17 risk factors for heart attacks. Some of the major risk factors mentioned include being male, over 65 years old, overweight, having diabetes, a family history of heart disease, smoking, and exposure to secondhand smoke. Diet and environmental factors like ethnicity are also identified as significant risk factors, with certain ethnic groups having a higher risk due to their typical diets and lifestyles. The document encourages reviewing and noting which risk factors apply personally.