FTO and obesity due to melanocortin 4 receptor deficiency: A study in rats showed that stressful conditions can stimulate the expression of miR‐124‐3p, which regulates the fat mass‐ and obesity‐associated (FTO) enzyme, thereby affecting FTO‐dependent m6A methylation of neural plasticity gene mRNAs in the hippocampus (Roy, Ochi, and Dwivedi 2022).