correlational
Analysis v1
Strong Support

Beginner runners still show signs of heart stress a day after a marathon, but experienced runners’ hearts look normal again by then.

38
Pro
0
Against

Evidence from Studies

Supporting (1)

38

Community contributions welcome

After running a marathon, heart damage markers went down faster in experienced runners than in beginners, meaning better-trained runners’ hearts recover more quickly.

Contradicting (0)

0

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.