Eating a lot of junk food might make your gut leaky, letting bad stuff from bacteria get into your blood and cause body-wide inflammation, which can lead to long-term health problems.

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Evidence from Studies

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The Detrimental Impact of Ultra-Processed Foods on the Human Gut Microbiome and Gut Barrier

Narrative Review

2025 Feb 28

The study looks at how ultra-processed foods affect the gut and finds they can make the gut leaky and cause inflammation, which matches the claim.

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No contradicting evidence found

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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

The Detrimental Impact of Ultra-Processed Foods on the Human Gut Microbiome and Gut Barrier

Score: 1

DOI: 10.3390/nu17050859

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