Our stomach hunger cycle begins with a hormone called ghrelin. When our bodies have burned up the food in our stomachs and our blood
sugar and insulin levels begin to drop, ghrelin communicates with the hypothalamus in the brain. The hypothalamus, housed in the
deep center portion of our brain cavity, regulates our basic body functions such as thirst, sleep and sex drive. Once it receives
the message, delivered by ghrelin, that we need to eat something to keep our bodies running, the hypothalamus triggers the release
of neuropeptide Y, which stimulates our appetites.
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