Similarly, a traditional Korean herbal medicine that includes omija (Taeumjowitang) significantly lowered body weights, body fat, and serum leptin level in HFD-fed mice [13] and obese Korean children [26], and another pilot study that is evaluating the effect of Taeumjowitang on obesity in Korean adults is currently in progress [27]. The gene discussed is LEP; the disease is obesity due to melanocortin 4 receptor deficiency.