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They don't. What they can do is observe cancer rates in populations that have 1 drink per day and compare that to rates of cancer in other populations. There ar
by bognition 2y ago
They don't. What they can do is observe cancer rates in populations that have 1 drink per day and compare that to rates of cancer in other populations. There are a bunch of statistical tools you can use to try to identify and correct for other confounding variables.
- TeaBrain 2y agoOne of the cited links references such a study. They found no reduction in risk for those who ceased drinking who were previously only drinking one drink per day, while there was a reduction in risk for those who ceased drinking who had been drinking three or more drinks per day. https://www.nejm.org/doi/10.1056/NEJMsr2306723 https://www.nejm.org/doi/10.1056/NEJMsr2306723