How digestion works: what happens to food after you eat it
Insulin: how your body clears sugar from the blood after a meal
After a meal, sugar floods into your blood, and within about two hours the level is almost back to normal. Your blood holds only about a teaspoon of it. So who moves all that sugar out, and where to?
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1
Half an hour after lunch, the sugar from your bowl pours into your blood. If it all stayed there, your blood would soon hold many times its usual amount.
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2
That would be a problem. Too much sugar in the blood, for a long time, harms blood vessels and nerves. Too little, and your brain stops working well. So your body keeps the level about the same all the time, never too high and never too low. Something must be watching it.
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