Part 2: How an Overvalued Belief Captured Medicine – Paul McHugh Explains More (#46)
8 November 2025
With Paul McHugh
Global
Dr. Paul McHugh, the Johns Hopkins psychiatrist who spent decades challenging psychiatric fads, draws direct parallels between past episodes of institutional capture—multiple personality disorder, recovered memory therapy—and today's gender medicine. At 93, he explains how overvalued beliefs spread through medical institutions, override empirical evidence, and harm patients before collapsing under scrutiny. His account offers a framework for understanding the evidentiary failures that systematic reviews across Europe have now begun to document.
Dr. Paul McHugh served as Psychiatrist-in-Chief at Johns Hopkins Hospital for more than two decades and trained under some of the most rigorous clinical neurologists of the twentieth century, including figures at Massachusetts General Hospital and the Maudsley in London. In this second conversation with the Beyond Gender hosts, he traces the arc of a career built on one consistent principle: that psychiatry must follow the evidence wherever it leads, even when doing so means opposing the consensus of the profession itself. McHugh describes how he broke early with Freudian psychoanalysis, guided by a mentor who insisted that clinicians study the brain before constructing theories about the mind. That distinction between inductive reasoning—building up from observed evidence—and deductive reasoning—applying a pre-formed theory to each new patient—runs through everything he says. It is a distinction with direct implications for how medicine handles contested diagnoses, including gender dysphoria in adolescents. The centrepiece of the conversation is multiple personality disorder, which McHugh identifies as a textbook case of an overvalued belief capturing an entire clinical specialty. During the 1980s and 1990s, MPD spread through inpatient psychiatry units partly because therapists were trained to elicit the very symptoms they expected to find, and partly because professional incentives rewarded those who reported the most spectacular cases. The same years produced the recovered memory crisis, in which thousands of patients came to believe they had experienced severe abuse—beliefs generated and reinforced inside therapeutic relationships. McHugh served on the scientific advisory board of the False Memory Syndrome Foundation and watched the damage accumulate before the field eventually corrected itself. The parallel he draws to current gender medicine is explicit. He sees the same epistemological structure: a theory about identity is adopted as foundational truth; clinical training is organised around it; practitioners who question it face professional sanctions; and patients, particularly young patients, are harmed before scrutiny forces a reckoning. He invokes philosopher Paul Ricoeur's concept of the schools of suspicion to explain why empirical challenges to such beliefs are so readily dismissed as bad faith rather than legitimate science. For those following the legal and regulatory responses to gender medicine across Europe, McHugh's account provides a conceptual vocabulary for what systematic reviews have documented in clinical terms. The reviews that led Sweden and Finland to restrict paediatric hormonal treatment, the independent evidence assessment completed in England, and the court proceedings that have scrutinised the evidence base for puberty blockers all point to a pattern McHugh has seen before: an intervention adopted on weak evidence and ideological momentum, spreading through institutions before scrutiny catches up. His long perspective on how such episodes unfold—and how they eventually end—describes a mechanism that policymakers, clinicians and courts across Europe are currently navigating in real time.
