Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement Data sharing is not applicable to this article as no datasets were generated or analyzed during the current study. References 1, “Leptin and the Endocrine Control of Energy Balance,” Nature Metabolism 1, no. 8 (2019): 754–764. 2 and , “Leptin Resistance Does Not Facilitate Migratory Fattening in Ruby-Throated Hummingbirds (Archilochus colubris),” Integrative and Comparative Biology 63, no.
