There have been recent calls from within the scientific community to cool down the gee-whiz hype surrounding the microbiome and its associated treatments, and to improve the quality of the research.88 In the meantime, the grossly exaggerated claims of these papers and press releases provide the semblance of scientific backing to a host of useless, harmful, or just plain daft microbiome-related remedies: a probiotic drink made using microbes found in the guts of elite athletes that can supposedly boost your performance; the craze for ‘colonic irrigation’, which involves flushing out your bowels
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