Regarding iron deficiency anemia (IDA), adopting the limit recommended by the WHO for anemia (Hb < 13 g/dL in men and <12 g/dL in women), a low percentage of female students (4.2%) were found to have levels below the threshold, with no cases of IDA detected among young males (Table 2). This evidence concerns the gene GSTM1 and anemia (phenotype).