Modern Wellness Echoes Medieval Beliefs Amid Growing Health-Care Distrust

In the United States, a wave of “detox,” “purge” and “energy-healing” products is proliferating on platforms such as Etsy, TikTok and YouTube. Influencers market spells for rapid weight loss and “extreme beauty,” while conferences in Utah, Montana and Idaho draw thousands seeking breathwork, Reiki and herbal remedies. Commentators note that this trend mirrors medieval practices that relied on observable signs—florid faces, large eyes, and excess blood—to diagnose ailments.

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Professors of medieval history point out that the language of today’s ads—talk of “toxins” and “purging”—recalls the humoral theory of the Middle Ages, when physicians linked bodily fluids to health outcomes. Meg Leja explains that medieval practitioners lacked laboratory data, so they based treatments on cycles and visible symptoms. Robin S. Reich adds that the Islamic world avoided a similar trust collapse because its public-health guidance, rooted in Hadith-based quarantine rules, remained consistent.

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The article attributes the surge to a loss of confidence in institutions after the Covid-19 pandemic. Roy Perlis observes that people now have unprecedented access to health information, much of which is inaccurate and profit-motivated. Influencers such as chiropractor Eric Berg promote unproven remedies like colloidal silver. The piece also cites political figures—President Donald Trump and U.S. Health and Human Services Secretary Robert F. Kennedy Jr.—who have spread misinformation about vaccines, antidepressants and fluoride, further eroding trust.

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Robert F. Kennedy Jr. Donald Trump likened childhood vaccine doses to “a bottle of soda,” a comparison that health experts say misrepresents actual dosage volumes. Both statements have been described by the article as part of a broader effort to challenge established medical guidance.

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• “Covid was one of the first times that people actually saw how medical advances work, they saw the fits and starts where we have to learn things and where scientists can make mistakes,” — Roy Perlis, a professor of psychiatry at Harvard Medical School

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• “Everyone has questions about their health, and people have access to much more information,” — Roy Perlis, a professor of psychiatry at Harvard Medical School

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• “The language you hear in a lot of ads now is about purging and toxins, where these residues build up in the body over time, that would feel quite familiar to medieval people,” — Meg Leja, a professor of European medieval history at Binghamton University

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• “The Islamic world did not have this kind of trust crisis because they had a fairly consistent public health policy,” — Robin S. Reich, a history professor at Seattle University

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• “The Islamic world knew to quarantine because the memory of the previous plague pandemic was baked into the Hadith,” — Robin S. Reich, a history professor at Seattle University

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• “I think being critical of people who draw the wrong conclusions is one of the major errors in public health,” — Roy Perlis, a professor of psychiatry at Harvard Medical School

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