correlational
Analysis v1
Strong Support

Back in the early to mid-1900s, more people died of heart disease, and experts think this was because people started smoking more and eating foods that raised the bad cholesterol in their blood.

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Pro
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Evidence from Studies

Supporting (1)

1

Community contributions welcome

The study says that as more people started smoking and eating foods that raised cholesterol in the early 1900s, more people died of heart disease — 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.