Why does it take time for your stomach to tell your brain it's full?!


Question:

Why does it take time for your stomach to tell your brain it's full?

I remember reading somewhere that it takes approximately 20 minutes for your stomach to feel full after it has actually become full!

Why is this?


Answers:

Your right, it does take 20 mins. It's to do with enzyme secretion and nerve stimulation travelling up your vagus nerve (if my memories of anatomy & physiology at uni are right). This is why they say to eat then wait half an hour to see if you are full.




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