Scientists at the University of Liverpool say that feeling hungry isn't just a case of: meeting a biological need, as in our stomachs growl when we need nourishment, and then that same organ hits the kill switch when we've had enough to eat. Instead, physical hunger is actually controlled by physiological signals which tease our appetites until we eat, and then cut off that appetite when we get full.
But there's another system inside us that tells us its ok to have rich or high-energy food, and that's our brain reward system. Unfortunately, that reward system is able to override our sense of fullness or our satiety signals — and it also makes us more susceptible to temptation. The trouble is, eating high-calorie foods (just think about a gorgeous piece of chocolate cake, a chocolate chip cookie, or perhaps a bazillion-calorie cinnamon bun) isn't always the best choice, nutrition-wise. "This anticipated enjoyment is a powerful motivator of our food intake," the University of Liverpool researchers Charlotte Hardman and Carl Roberts write in The Conversation. "The sight and smell of food attracts our attention, and we may start to think about how nice it would be to eat. This may result in cravings and food consumption."
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August 28, 2020 at 11:05PM
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Science explains why you eat when you're not hungry - Mashed
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