what are risk factors for heart disease that cannot be changed?
['Increasing Age. The majority of people who die of coronary heart disease are 65 or older. ... ', 'Male gender. ... ', 'Heredity (including race) ... ', 'Tobacco smoke. ... ', 'High blood cholesterol. ... ', 'High blood pressure. ... ', 'Physical inactivity. ... ', 'Obesity and being overweight.']