The Quebec Heart study demonstrated accelerated CAD in patients with hyperapolipoproteinaemia B.28 In a study conducted by Genest et al. in 321 men, it was observed that the level of apolipoprotein B was increased and that of apolipoprotein A decreased in myocardial infarction patients.29 A highly significant positive correlation between ferritin and apolipoprotein B levels was observed in our study population. The gene discussed is APOB; the disease is myocardial infarction.