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Originally Posted by richielancair  My understanding of the theory behind the 5-6 meals a day is it keeps up your metabolism. |
That's a popular folklore.
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Humans are grazing animals according to our teeth, stomach and long small intestine. We are built to go field to field eating or grazing.
If you are eating the proper foods, complex carbs, then it takes about 2-3 hours to move through your stomach. When you go more than 4 - 5 hours your physical brain (sub consious) says "dude were starving must be a famine start storing fat". This then triggers the "starvation mode" which slows down your metabolism until you can start eating again when you get to the next field or whatever.
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This is a gross simplification of how the body actually responds.
The starvation response doesn't 'turn on' every few hours b/c you don't eat.
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After we start eating again it takes a few meals to calm down the starvation trigger and speed up the metabolism again. The physical brain wants proof that there really is a good supply of food before he/she recinds the order to stop storing food (as fat).
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Care to share your evidence?
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