Results from a multivariable analysis, adjusting for age, sex, smoking, alcohol consumption, regular exercise, diabetes mellitus, hypertension, dyslipidaemia, and body mass index found an increased risk of ischemic stroke, myocardial infarction (MI), and all-cause mortality among those with f-Hb above the threshold used in the screening programme [22]. This evidence concerns the gene GSTM1 and myocardial infarction.