Leptin
Leptin is the hormone that should be saving us from too much energy intake - from overeating. It's a satiety hormone - basically the 'full' trigger. Leptin and its correct functioning may be the key to a correctly functioning 'weight management system'. I believe that it is common sense to think that managing our weight was not meant to be difficult. We aren't supposed to have to count calories and macros. No other animal has to do that to maintain their ideal weight. Sure, there are animals with metabolic challenges but in general, most are able to maintain a consistent weight naturally. Humans are the ones that put huge amounts of measurement, thought and work into managing our weight and we by far are the most unsuccessful at doing it. So - what gives? If hormones allow a dog or a cat or a mouse or a bird to control their weight effortlessly, it would make logical sense that our seemingly inability to control our human weight is a hor...