correlational
Analysis v1
Strong Support

Boys who were more physically fit at age 18 had a lower chance of having serious clogged heart arteries when they reached their 50s.

59
Pro
0
Against

Evidence from Studies

Supporting (1)

59

Community contributions welcome

This study found that teenage boys who were more physically fit (could exercise longer and harder) were much less likely to have serious clogged heart arteries when they became middle-aged, which is exactly what the claim says.

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.