Surgical removal of the stomach usually makes you lose weight.
Why does even a partial removal of the stomach make you lose weight?
Because the stomach becomes smaller so the amount able to eat decreases?
The true reason is that hormone secreting from the stomach, which raises appetite, decreased.
The hormone is Ghrelin.
When ghrelin is secreted, appetite increases by stimulating the feeding center in the brain.
How can we suppress the secretion of ghrelin without removing the stomach?
7-8 hours’ sleep makes hardest to secrete ghrelin.
If you sleep less, the secretion of ghrelin increases.
Less than 4 hours’ sleep increases the obesity rate by 73 %, compared to 7-9 hours’ sleep (according to the research of Columbia University in 2005).
To lose weight using the mechanism of the stomach, please sleep for 7-8 hours.
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