correlational
Analysis v1
Strong Support

After the mid-1960s, fewer people died from heart disease because fewer had heart attacks, and those who did were less likely to die from them — especially before getting to the hospital.

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Pro
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Evidence from Studies

Supporting (1)

1

Community contributions welcome

After the 1960s, fewer people died of heart attacks because fewer people got severe heart disease in the first place, and those who did had better treatment — which is exactly what the claim says.

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.