If the body needs calories to survive, how can it go into starvation mode and slow down the metabolism? I hear of people trying to lose weight who can’t because they aren’t eating enough calories. Does your body shut down certain systems? If there is a base minimum, how can “starvation mode” change that on a biological level?
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This is how my doctor explained it. When you dont eat for as long as 12 hours your red blood cells starving for energy send distress signals to your liver. Your liver responds by releasing whatever reserves it had. After that? Your body will literally cannibalize itself! What ever fat stores your have it will use that as an energy source. If you have a pot belly you’ll see it go in a matter of days because fat is being used to feed the starving red blood cells. When that runs out? You die! Because your body will consume anything to feed itself, cannibalization. Organs will shut down and the brain will begin to die.
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