The complex biology of ghrelin, the hunger hormone, has researchers wondering how its absence helps snakes last a long time with no food, if at all.

Scientists examined the genomes of 112 reptile species, ranging from snakes and crocodiles to chameleons, and found the reason.

Ghrelin is a peptide hormone produced by the gastrointestinal tract, with multiple actions in the body. Its best-known function involves energy metabolism. Ghrelin is an orexigenic hormone which ...

A new study suggests that ghrelin -- the so-called "hunger hormone" -- is involved in why some people turn to "comfort foods" when stressed. We are one step closer to deciphering why some stressed ...

(CBS) You were trying to diet but just couldn't resist the siren song of the office birthday cake. It's not your fault - blame it on a gremlin called ghrelin. Ghrelin is the "hunger hormone" that ...

The peptide hormone ghrelin is secreted by the gastrointestinal tract, and plays a pivotal role in appetite stimulation through its action on hypothalamic neurons. Ghrelin is bound by the presynaptic ...

Your hormones affect your overall health including your weight loss process. When trying to lose weight, it is crucial to balance your hormones as well for effective results. Maintaining healthy ...

The gut and brain are in constant communication via the vagus nerve. The gut produces over 90% of your body's serotonin, a ...