Study finds unusually high occurrences of abnormal left and right ventricular functioning . Findings are first to possibly link work at Ground Zero to cardiovascular problems . Law enforcement is generally a stressful occupation and police often work varying shifts and might sit in a patrol car for long periods -- all unhealthy for the heart , she said . Score: 6 Testing officers in other cities could help put findings in context , study 's leader says .
Study finds unusually high occurrences of abnormal left and right ventricular functioning . Findings are first to possibly link work at Ground Zero to cardiovascular problems . Score: 6 Testing officers in other cities could help put findings in context , study 's leader says .