In obese animals, the fat tissue grows too fast for blood vessels to keep up, so parts of the fat don’t get enough blood and oxygen, which may trigger problems like inflammation and insulin resistance.

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Evidence from Studies

Supporting (1)

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Emerging role of adipose tissue hypoxia in obesity and insulin resistance

Narrative Review

Animal

2009 Jan

This study says that in obese animals, fat tissue doesn’t get enough oxygen because its blood vessels don’t grow properly, and that lack of oxygen causes problems like inflammation and insulin resistance — which is exactly what the claim says.

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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

Emerging role of adipose tissue hypoxia in obesity and insulin resistance

Score: 1

DOI: 10.1038/ijo.2008.229

Similar Assertions

In obese animals, fat cells that don’t get enough oxygen may die or stop storing fat properly, causing more fatty acids to leak into the blood, which can interfere with insulin function.

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When fat cells don’t get enough oxygen, they make less of a helpful hormone called adiponectin that helps the body respond to insulin, which might make insulin resistance worse.

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In obese animals, fat cells with low oxygen may have fewer and less efficient power plants (mitochondria), making them worse at burning energy and possibly worsening insulin resistance.

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When fat tissue doesn't get enough oxygen in obese animals, it starts releasing inflammatory signals that may mess up the body's ability to use insulin properly.

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