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Unfortunately, cravings are natural and no matter what we do, we'll still end up with a hankering for that sweet treat, a salty snack or even an occasional, seemingly weird, urge for a particular food or beverage. Food cravings are both biologically generated and mentally and emotionally driven. In each of us, our stomach signals to our brain that it's time to eat, by way of the vagus nerve. The stomach produces increasing levels of the "hunger hormone" or ghrelin, as it completes its digesti...

Unfortunately, cravings are natural and no matter what we do, we'll still end up with a hankering for that sweet treat, a salty snack or even an occasional, seemingly weird, urge for a particular food or beverage. Food cravings are both biologically generated and mentally and emotionally driven. In each of us, our stomach signals to our brain that it's time to eat, by way of the vagus nerve. The stomach produces increasing levels of the "hunger hormone" or ghrelin, as it completes its digestion processes and as blood sugar and insulin levels drop. The ghrelin hormone signals the hypothalamus in the brain that it's time to start consuming nutrients again. The hypothalamus in turn releases the substance, neuropeptide Y, stimulating the feeling of hunger. This process is one of sustenanc