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Type 1 Diabetes
Managing exercise and insulin
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<blockquote data-quote="NoKindOfSusie" data-source="post: 1606092" data-attributes="member: 441787"><p>Mathematics time. I have no idea if this is right, any ideas gratefully received...</p><p></p><p>The average human has about five litres of blood.</p><p></p><p>Assuming he or she was at a reasonably high level of 8mmol/l, the blood of an average human therefore has roughly 40 millimoles of glucose which is 0.04 moles.</p><p></p><p>One mole of glucose weighs 180 grams, 180 multiplied by 0.04 is 7.2, so the blood would contain 7.2 grams of glucose.</p><p></p><p>Various places state that glucose contains a bit less than 4 kilocalories per gram of energy. So, very roughly, for every 1 mmol/l of increase in blood sugar, you get... three and a bit kcal of energy.</p><p></p><p>Which is next to nothing.</p><p></p><p>Which is why having higher blood sugar before doing exercise doesn't really help.</p><p></p><p>Does that sound right?</p></blockquote><p></p>
[QUOTE="NoKindOfSusie, post: 1606092, member: 441787"] Mathematics time. I have no idea if this is right, any ideas gratefully received... The average human has about five litres of blood. Assuming he or she was at a reasonably high level of 8mmol/l, the blood of an average human therefore has roughly 40 millimoles of glucose which is 0.04 moles. One mole of glucose weighs 180 grams, 180 multiplied by 0.04 is 7.2, so the blood would contain 7.2 grams of glucose. Various places state that glucose contains a bit less than 4 kilocalories per gram of energy. So, very roughly, for every 1 mmol/l of increase in blood sugar, you get... three and a bit kcal of energy. Which is next to nothing. Which is why having higher blood sugar before doing exercise doesn't really help. Does that sound right? [/QUOTE]
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