correlational
Analysis v1
Strong Support

Teenage boys who were both strong and fit had the lowest risk of serious heart artery blockages when they became middle-aged.

59
Pro
0
Against

Evidence from Studies

Supporting (1)

59

Community contributions welcome

This study found that teenage boys who were both strong and good at endurance exercises (like running or cycling) were much less likely to have serious heart artery blockages when they became middle-aged — and those who were good at both had the best protection.

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.