The Story of David Reimer: A Tragic Case That Changed Psychology Forever

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Few stories in psychology have had as profound an impact on the study of gender identity as that of David Reimer. For decades, his case was cited as evidence that gender identity could be shaped almost entirely by upbringing. Today, it serves as a cautionary tale about scientific bias, medical ethics, and the importance of following evidence, even when it contradicts a popular theory.

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The story was brought to public attention in the BBC Horizon documentary "Dr. Money and the Boy with No Penis," which examined one of the most controversial chapters in the history of psychology.

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An Ordinary Beginning

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David Reimer was born in Winnipeg, Canada, in 1965, along with his identical twin brother, Brian. At seven months old, both boys were scheduled to undergo circumcision. During David's procedure, a medical device malfunctioned, causing catastrophic injuries that destroyed his penis. His parents were devastated. At the time, reconstructive surgery for infants was extremely limited, and they worried about what kind of life their son would have. Searching for answers, they learned of psychologist and sexologist Dr. John Money at Johns Hopkins University.

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Dr. John Money's Hypothesis

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Dr. Money was one of the world's leading researchers on gender identity. He believed that children were born largely gender neutral and that gender identity developed primarily through socialization during the first years of life. Because David was still an infant, Money believed he had an unprecedented opportunity to test this theory.

He recommended that David undergo sex reassignment surgery, be raised as a girl, and never be told the truth about what had happened. David's parents agreed, hoping they were giving their child the best possible chance at a happy life. David became Brenda Reimer.

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The Experiment

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Throughout childhood, Brenda was treated as a successful example of Money's theory. Money published reports describing the reassignment as a remarkable success and cited the case as evidence that gender identity could be shaped through upbringing alone. These publications became highly influential and were widely used in psychology, medicine, and education. However, the reality was very different.

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According to David and his family, Brenda consistently rejected traditionally feminine clothing, toys, and activities. Teachers and peers noticed that Brenda did not seem comfortable in the female role. The repeated visits to Dr. Money's clinic also became increasingly distressing for both David and Brian. Years later, David reported that some therapy sessions included invasive and psychologically harmful activities that would be considered unethical by today's standards.

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Learning the Truth

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As adolescence approached, Brenda became increasingly depressed and resistant to continuing treatment.

Eventually, David's parents revealed what had happened. Rather than continuing to live as Brenda, David immediately chose to live as male again. He adopted the name David, underwent reconstructive surgeries, received hormone therapy, and later married. His story eventually became public through journalist John Colapinto, whose reporting revealed that the case Money had described as a success had actually been a profound failure.

 

Why This Case Changed Psychology

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David Reimer's experience challenged one of psychology's most influential theories. Although modern researchers recognize that both biology and environment contribute to gender development, David's case demonstrated that gender identity cannot simply be imposed through socialization.

 

The case also highlighted the importance of:

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• Biological influences on development

• Careful interpretation of case studies

• Long-term follow-up in research

• Ethical treatment of research participants

• Reporting both successful and unsuccessful outcomes

 

Today, psychologists generally understand gender identity as arising from a complex interaction of biological, developmental, psychological, and social factors rather than any single influence.

 

Ethical Lessons

 

Perhaps the greatest legacy of David Reimer's story is the discussion it sparked about research ethics.

Modern ethical standards emphasize:

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• Informed consent

• Protection from psychological harm

• Honest reporting of research findings

• Independent review of research

• Respect for participants' autonomy

 

Many psychologists view David's experience as an example of what can happen when a scientist becomes overly committed to a hypothesis and fails to objectively evaluate contradictory evidence.

 

A Tragic Ending

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Despite rebuilding his life, David continued to struggle with emotional challenges related to his childhood experiences. His twin brother Brian later died from complications related to medication and longstanding mental health difficulties. In 2004, at the age of 38, David Reimer died by suicide.

 

His story remains heartbreaking, but it has also influenced medicine and psychology in lasting ways. It prompted important discussions about the treatment of children with differences in sex development, the ethics of early medical interventions, and the importance of listening to patients' own experiences rather than assuming professionals always know best.

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The Lasting Impact

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Today, David Reimer's case is taught in psychology, medicine, ethics, and gender studies courses around the world, not because it represents a successful experiment, but because it demonstrates the importance of scientific humility. Science advances by following evidence, questioning assumptions, and being willing to revise theories when new information emerges. David Reimer's life reminds us that behind every research study is a real human being whose well-being must always come first.

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Learn More

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BBC Horizon Documentary

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Dr. Money and the Boy with No Penis (BBC Horizon) tells David Reimer's story through interviews, historical footage, and commentary from experts.

https://www.bbc.co.uk/sn/tvradio/programmes/horizon/dr_money_prog_summary.shtml

 

Wellcome Collection

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The Wellcome Collection also provides an overview of the documentary and its historical context.

https://wellcomecollection.org/works/vdb2kwwr