Timeline for Is coffee anti-cancerous?
Current License: CC BY-SA 3.0
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| Dec 2, 2012 at 1:14 | comment | added | matt_black | Studies like this also suffer from serious recall bias (the coffee consumption is usually estimated by retrospectively surveying the participants not by controlling their diets). This introduces both noise and potential bias. It is also easy to select the handful of positive associations from a large pool of non-significant ones (like selecting a run of ten heads from a 1000 coin tosses and pretending it means something). | |
| Dec 1, 2012 at 14:40 | comment | added | Oddthinking♦ | There's two parts to be careful about here. The first is the difference between a "suggestive inverse association" and causality. The second is the sheer volume of studies on the effects of coffee on health means we must be careful we aren't cherry-picking. Coffee has been associated with both increases and decreases in different cancers in different studies. Ref | |
| Dec 1, 2012 at 8:59 | history | answered | Edwin Ross | CC BY-SA 3.0 |