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What eating a big meal does to your body

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https://www.bbc.com/future/article/20191127-why-do-you-feel-hungry-after-eating-a-big-meal

bbc.com

What eating a big meal does to your body
I am pretty confident that I can predict how I am going to feel after Christmas dinner: snoozy, sluggish and definitely full. But by lunchtime the next day I am sure I will find room for another roast. When you think about it, it is pretty weird that the day after an enormous meal we can eat exactly the same quantity again.

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The sensation of hunger

Hormones get released when we are hungry: NPY and AgRP from the hypothalamus, and ghrelin from the stomach.

Ghrelin levels tend to be higher in lean individuals and lower in peop...

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Feeling sated

About a dozen or so hormones are responsible for making us feel full. 
  • GIP and GLP-1 are responsible for stimulating the production of insulin to regulate the metabolism of c...

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Overeating is a habit

Even though your stomach has a hormonal system for telling your brain it is empty, it can also raise your hunger levels at specific times by learned associations, even if you had a large meal.

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Starting wrong eating habits

It seems quite easy to acquire desires for certain foods by associations, but more challenging to get rid of them.

  • After only four days of repetition, your body can crave specific foo...

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Breaking bad eating habits

After we had a big meal with family or friends, we can feel hungry at the next mealtime. It is because we have grown accustomed to overeating on special occasions. But, eating something nice once d...

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Making peace with food

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Give yourself “unconditional permission to eat.”

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