It’s the blood sugar, stupid. (I didn’t really mean that last bit.)
But it is. After you eat, your body reacts by turning carbs and simple sugars into glucose–or blood sugar. In response, the pancreas pours out insulin to usher the glucose into cells—particularly the cells of muscles and organs, which use the sugars for energy. The brain and heart, for example, need a lot of it.
Consider what happens in a torrential downpour. Rapid release of hordes of rain brings on flooding. But if the rain falls slowly and steadily over a period of time, the earth simply absorbs it. Our bodies respond likewise.
Type 2 diabetes, the kind associated with poor eating and lack of exercise, occurs when the body, after too much flash flooding of glucose, becomes resistant to insulin. The pancreas has to keep producing more and more insulin to get the glucose into cells.
And insulin, it seems, can fuel cancer growth. (We’ll save the discussion of those studies for another day.)
So what’s a reasoning person to do? Avoid foods that spike your blood sugar, and space out your eating throughout the day. Yes, go ahead and graze every 3 to 4 hours. Just make sure you decrease your portion sizes.
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