why if you are hungry, you eat, then vomit,you wont feel hungry anymore?

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why if you are hungry, you eat, then vomit,you wont feel hungry anymore?

In: Biology
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Hunger is your body telling you it wants food. If you just vomited, it’s thinks you poisoned yourself and is trying to get rid of it, and doesn’t want more food.

Hunger is more complex than “food in my stomach.” The feeling of hunger is closely tied to a variety of signals from the body including blood sugar, food in the stomach, seeing / smelling / tasting food, but also a series of pleasure and reward chemicals in the brain.

Put more simply, seeing someone pleasurably smoke a cigarette in a movie makes me crave a cigarette. As I get out a cigarette, light it, smell it, taste it, and inhale my brain floods itself with pleasurable reward chemicals. At no point in this process did I *need* that cigarette biologically, it’s just a input/output feedback system.