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Consider a medicine which kills everything with kidneys. It perfectly correlates with killing everything with a liver. Consider another medicine which kills ev
by mjburgess 2y ago
Consider a medicine which kills everything with kidneys. It perfectly correlates with killing everything with a liver.
Consider another medicine which kills everything with kidneys, unless they have a liver (eg., which filters it). Now there is no correlation at all with an effect on the kidneys, nor will there ever be (since all animals with one have the other) unless someone deliberately impairs a liver.
- Anotheroneagain 2y agoConsider a medicine that completely cures Alzheimer's. It also necessarily increases the incidence of other causes of death, as those who won't die of Alzheimer's will die of something else instead.