The presence of almost all of the different Hb types (Hb S, Hb C, Hb D, Hb F, β-thalassemia, etc.)in this study population shows that hemoglobinopathies, due to human migration, intercultural mixing and interracial marriages, are no longer limited to a specific geographical area. This evidence concerns the gene GSTM1 and hemoglobinopathy.