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Body & HealthMental model

“My grandpa smoked and lived to 95” is not an argument.

You only hear from the smokers who grew old – the others no longer tell stories. That's survivorship bias: you see only what remained. Statistically, smoking shortens life expectancy by about ten years on average. Individual cases say nothing about probabilities – only large groups do.

Useful: For every success story ask: how many tried the same thing and aren't here?

Source: en.wikipedia.org

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