HP and diabetes mellitus: The role of Hp genotype and its relevance to disease severity has been studied in different specialties including epilepsy, cardiovascular disease, diabetes, sickle cell, and renal disease (Panter et al., 1985; Langlois and Delanghe, 1996; Asleh et al., 2003; Sadrzadeh et al., 2004; Amiri et al., 2013; MacKellar and Vigerust, 2016).