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Strong Opposition

If you have type 2 diabetes, having higher blood sugar over time might mean your red blood cells don’t live as long.

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Pro
53
Against

Evidence from Studies

Supporting (0)

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No supporting evidence found

Contradicting (1)

53

Community contributions welcome

53

Red Blood Cell Lifespan < 74 Days Can Clinically Reduce Hb1Ac Levels in Type 2 Diabetes

Cohort Study
Human
2022 Oct 19

The study looked at how long red blood cells live in people with type 2 diabetes and how that relates to blood sugar. It found that people with shorter-lived red blood cells had higher average blood sugar, which matches the claim, but didn’t directly test or confirm the strength of that link.

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Red Blood Cell Lifespan < 74 Days Can Clinically Reduce Hb1Ac Levels in Type 2 Diabetes

Score: 53
DOI: 10.3390/jpm12101738

Similar Assertions

People with type 2 diabetes may have red blood cells that don't live as long as those in healthy people—about 95 days compared to 100 days—suggesting their bodies replace blood cells faster.

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53
89%

If you have type 2 diabetes, higher blood sugar might make your red blood cells die faster, which could mess up the accuracy of your A1c test — a common way doctors check long-term blood sugar control.

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82%

Lots of people with type 2 diabetes have red blood cells that don’t live as long as usual, and because of that, their A1c blood sugar test might show lower numbers than reality — meaning the test could be misleading for many.

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82%

If you have type 2 diabetes and your red blood cells don’t live as long—less than 75 days—your A1c test might not give a true picture of your blood sugar control, because the test could show lower numbers than reality.

53
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82%

If you have type 2 diabetes and your red blood cells don’t live as long, your actual blood sugar might be higher than what your A1c test shows — meaning the A1c test could be misleading for some people.

53
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81%