ACE and cancer: Based on past studies in this population and others, it is unlikely that calcium antagonists or beta blockers, or ACE inhibitors are associated with cancer (McLaughlin et al, 1995; Olsen et al, 1997; McLaughlin and Lipworth, 2000; Sorensen et al, 2000; Friis et al, 2001; Grossman et al, 2001).