GSTM1 and anemia: Severity was assessed through concentration of Hb in blood, revealing that 43% of participants had severe anemia, with the majority (36%) belonging to the low‐ and middle‐income class [24].The observed disparity in the prevalence of IDA may be attributed to differences in socioeconomic status across South Africa, Lahore, and Jordan, as these factors can significantly influence health outcomes.