Strong Support
descriptive
When elite runners increased the speed and intensity of their workouts without drastically increasing total distance, their performance improved and their stress hormones stayed stable, indicating...
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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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.