When fruit flies eat normal food, removing their gut bacteria makes their gut more leaky, but when they eat a lot of sugar, removing gut bacteria doesn't change gut leakiness.

Pro

Against

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Effect of dietary additives on intestinal permeability in both Drosophila and a human cell co-culture

Cannot Determine

Animal & In Vitro

2018 Nov 28

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No contradicting evidence found

The bacteria in the gut interact with sugar to affect how leaky the gut is in fruit flies and human gut cells in a lab setting.

85%