causal
Analysis v1
Strong Support
In recreationally trained soccer players, 90 minutes of intense aerobic exercise leads to a temporary rise in cortisol levels in saliva at midday and late afternoon, depending on when the exercise occurs, but does not change the natural daily decrease in cortisol or dehydroepiandrosterone over a 16-hour waking period.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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This study found that a 90-minute intense workout temporarily raises a stress hormone (cortisol) at the time of exercise, but doesn’t mess up the body’s normal daily rhythm of that hormone. So yes, the claim is correct.
Contradicting (0)
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Community contributions welcome
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.