As soon as your blood sugar spikes, your insulin levels plummet. You enter into a sugar low or crash, becoming sluggish and cranky, with low energy, often with your mind in a fog and nerves all jittery. You are probably already starting to feel hungry, too, especially for something that is sweet, because your body was primed to digest some real food when all that insulin was released, but it got nothing but empty calories. Yet if you eat more simple carbohydrates, you’ll trigger the release of even more insulin, and the whole roller coaster of blood sugar peaks and valleys will start all over
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