FTO and obesity due to melanocortin 4 receptor deficiency: The positive correlation between FTO rs1421085 SNP and obesity or increased body mass index has been reported in several populations such as Estonian children (Katus et al., 2020), Chinese children (Wang et al., 2013), Iranian adults (Najd-Hassan-Bonab et al., 2022), Arabic (Hebbar et al., 2020), Pakistani (Rana and Bhatti, 2020), Balinese (Priliani et al., 2020), and Mexican Mayan girls (González-Herrera et al., 2019).