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Analysis v1
Strong Support

Even people who exercise extremely hard don’t seem to have fewer heart attacks than those who barely exercise at all.

33
Pro
0
Against

Evidence from Studies

Supporting (1)

33

Community contributions welcome

33

High-Volume Physical Activity and Clinical Coronary Artery Disease Outcomes: Findings From the Cooper Center Longitudinal Study.

Cohort Study
Human
2025 May 6

People who exercise a lot (more than 3000 MET-minutes a week) didn’t have fewer heart attacks than those who exercise little, according to this study — so doing tons of exercise doesn’t seem to protect your heart from heart attacks any more than moderate exercise does.

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.

Source Study

High-Volume Physical Activity and Clinical Coronary Artery Disease Outcomes: Findings From the Cooper Center Longitudinal Study.

Score: 33
DOI: 10.1161/CIRCULATIONAHA.124.070335

Similar Assertions

People who exercise a lot—like marathon runners or ultra-endurance athletes—tend to live longer than those who barely exercise, even though they don’t necessarily have fewer heart attacks.

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People who exercise a lot—like marathon runners—live longer than those who don’t, even though they don’t have fewer heart attacks. Exercise helps you live longer, but not necessarily by preventing heart attacks alone.

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People who exercise moderately—like jogging or cycling a few hours a week—have the lowest risk of heart attacks, but those who exercise way more than that don’t get any extra protection against heart events.

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If you're at high risk for heart problems, doing more than an hour of intense exercise a week might not help your heart as much as doing less — it could even be less beneficial.

48
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If you're at very high risk for heart problems, doing just 42 minutes of intense exercise a week seems to give you the best heart health boost — doing more might not help as much and could even reduce the benefits.

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