When male rats are stressed out for a couple of weeks, their stress hormone levels spike after 15 days—but by 30 days, their bodies have adjusted and the hormone levels go back down.

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Pro

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Against

Evidence from Studies

Supporting (1)

11

Community contributions welcome

11

Effect of chronic psychological stress on insulin release from rat isolated pancreatic islets.

Cohort Study

Animal

2006 May 30

The study put rats under daily stress for 15 or 30 days and checked their stress hormone levels. It found the hormone was high after 15 days but went back to normal after 30 days — just like the claim said.

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

Effect of chronic psychological stress on insulin release from rat isolated pancreatic islets.

Score: 11

DOI: 10.1016/J.LFS.2005.12.032

Similar Assertions

When male rats are stressed by being stuck in a small space for an hour, twice a day, for two weeks or a month, their bodies produce less insulin—even though their blood sugar goes up. This suggests their pancreas isn’t releasing insulin properly.

11

0

80%

Stressing out male rats every day for 12 weeks made their stress hormone levels more than double, showing the stress method really works.

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79%