Scientists counted the tiny filters in healthy Japanese people's kidneys and found there are about 685,000 on average, giving us the first clear picture of how many filters normal human kidneys have.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Dietary Protein Intake and Single-Nephron Glomerular Filtration Rate

Cross-Sectional Study

Human

2020 Aug 23

The study directly gives the number of healthy kidney filters (glomeruli) in Japanese donors, which matches the claim exactly, so it supports it.

Contradicting (0)

0

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No contradicting evidence found

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

Dietary Protein Intake and Single-Nephron Glomerular Filtration Rate

Score: 27

DOI: 10.3390/nu12092549

Similar Assertions

Scientists measured how fast tiny filters in the kidneys work in healthy people, and it's the first time they've directly checked this in living humans using special scans and tissue samples.

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