There’s an oft-quoted saying that’s become a bit of a cliché among skeptics that goes something like this: There are two kinds of medicine: medicine that’s been proven scientifically to work, and medicine that hasn’t. This is then often followed up with a rhetorical question and its answer: What do call “alternative medicine” that’s been proven to work? Medicine. Of course, being the kind of guy that I am, I have to make it a bit more complicated than that while driving home in essence the same message. In my hands, the way this argument goes is that the whole concept of “alternative” medicine is a false dichotomy. There is no such thing. In reality, there are three kinds of medicine: Medicine that has been shown to efficacious and safe (i.e., shown to work); medicine that has not yet been shown to work (i.e., that is unproven); and medicine that has been shown not to work (i.e., that is disproven). So-called “complementary and alternative medicine” (CAM or, its newer, shinier name, “integrative medicine”) consists almost completely of the latter two categories.
Part of the reason why this saying and its variants have become so commonplace among those of us who support science-based medicine is that they strike at a common truth about medicine, both science-based and “alternative.” That common truth is what we here at SBM have been arguing since the very inception of this blog, namely that there must be one science-based standard of evidence for all treatments, be they “alternative” or the latest creation of big pharma. That point informs everything I write here and everything my blogging parters in crime write about too. What that means is a single, clear set of standards for evaluating medical evidence, in which clinical evidence is coupled to basic science and scientific plausibility. Indeed, one of our main complaints against CAM and its supporters has been how they invoke a double standard, in which they expect their therapies to be accepted as “working” on the basis of a much lower standard of evidence. Indeed, when they see high quality clinical trials demonstrating that, for example, acupuncture doesn’t work, they will frequently advocate the use of “pragmatic” trials, lower quality trials of “real world effectiveness” that do not adequately control for placebo effects. It’s putting the cart before the horse.
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