Want to know if your job can give you a heart attack? Workers in service and blue-collar occupations as well as unemployed people are at increased risk for heart disease and stroke says a new research. Those working in the wholesale trade are at greater risk - 2.9 per cent of the people in that sector had suffered heart disease or a stroke in the US. (Read: Gallery: Ten tips for a healthier heart) At 0.8 per cent people working in finance and insurance had the lowest rate of heart disease the findings from the US Centers for Disease Control