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20 patients in a study is never good science.
I thought that was just the most recent study? Of course it's not definitive, it's a test study! Good science is a long process, it's not a one off magic-bullet study. They exist, but it's fucking rare. Science journalism should make that clearer. This is still important work.
"Future research with more rigorous controls should serve to challenge and develop the present study’s findings and inferences."
aka - 'ok, not a complete waste of time...so let's do more science guise!' 
we can fully expect people to use the pseudo-science to justify drug use. The samples are too small to deserve the category of science.
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