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Evidence quality

Everything on this site about evidence quality: 72 pieces in all.

Insight31

Does the HHS 'Wolves in White Coats' report prove fraud?

The 'Wolves in White Coats' report was commissioned by the Trump-era HHS and is a political document, not independent research. Its central fraud…

The Trigonometry trans debate: claims and the evidence

The Trigonometry debate between Dr Helen Webberley and Kellie-Jay Keen covered puberty blockers, hormones, surgery, legal rights, and the history of…

The Cass Review's credibility just took another hit

The Cass Review's credibility has been further undermined by findings of researcher misconduct at Oslo University Hospital involving one of its…

D. Smith's detransition story and how it gets used

D. Smith is a public detransitioner whose account has been amplified far beyond personal testimony to serve as a political argument against…

Can a brain scan prove that you're trans?

No medical test can prove that someone is trans. Brain scans, chromosomes, hormones, and blood tests tell you nothing reliable about gender identity.…

Does pornography cause people to be transgender?

Pornography does not cause people to be transgender. The claim that media exposure drives transition is not supported by the research. Gender…

When is gender identity set? What the science actually says

We do not yet know when or how gender identity develops. Some research points to prenatal hormonal and genetic influences, which is genuinely…

DES exposure in the womb: gender identity and intersex traits

Diethylstilboestrol (DES) is a synthetic oestrogen prescribed to pregnant women from the 1940s through to the 1970s. Research has found that people…

Conversion therapy bans: not a solution in search of a problem

Conversion therapy bans are not a solution in search of a problem. The evidence base is substantial and consistent: the NHS, the British…

Has gender diversity always existed? What the evidence shows

Gender-nonconforming people, third-gender categories, and lives lived outside the male-female binary are documented across cultures and throughout…

Can a child really consent to medical treatment?

Gillick competence does not mean a child asks for treatment and receives it. It means a clinician must establish that this particular child fully…

Are detransitioners suing doctors over informed consent?

Lawsuits filed by detransitioners in the US allege that doctors failed to obtain proper informed consent before providing gender-affirming care.…

Gender reassignment treatment is essential healthcare

Gender-affirming medical treatment is essential healthcare. The NHS, the World Health Organisation, and the Royal College of Psychiatrists recognise…

Are public funds being spent on puberty blockers for children?

Public funding of puberty blockers is a standard healthcare commissioning decision, not a misuse of public money. These medications have been used in…

Is trans inclusion really a threat to our institutions?

The claim that trans-inclusive policy represents ideological capture or a civilisational threat substitutes alarm for evidence. Trans-inclusive…

Gender medicine expertise: beyond medical school

Expertise in gender medicine, like expertise in any clinical subspecialty, is built through postgraduate practice, research, peer learning, and…

Gender-affirming surgery for under-18s: what actually happens

The debate about gender-affirming surgery for under-18s is often muddled by treating very different procedures as if they were the same thing.…

Recognising bad-faith anti-trans debate online

Anti-trans hostile debate online frequently uses NHS safety claims, detransition stories, and activist pile-on campaigns as tools of bad-faith…

Australia's puberty blocker guidelines and the ABC controversy

Australia is developing national clinical guidelines covering puberty blockers for trans and gender-diverse young people. When ABC News covered this…

Are puberty blockers reversible?

Puberty blockers pause puberty and their effects are largely reversible when stopped. They work by mimicking GnRH, a hormone the brain naturally…

Puberty blockers: precocious puberty vs gender dysphoria

Puberty blockers for precocious puberty and gender dysphoria are the same medications: GnRH analogues that pause the hormonal cascade driving…

Anti-trans disinformation: how to recognise and counter it

Anti-trans disinformation typically arrives in a handful of recurring shapes: safety rhetoric that frames trans inclusion as a threat, false balance…

Is being transgender a mental illness? What the DSM-5 says

Being transgender is not a mental illness. The DSM-5 removed Gender Identity Disorder entirely and replaced it with Gender Dysphoria, recognising…

Does affirming a child's gender identity cause harm?

Affirming a trans child's gender identity does not cause harm. The research picture is consistent: trans young people with supportive families show…

What the evidence actually shows about detransition rates

Regret and detransition rates in gender-affirming care are low across the research literature, generally under five percent, and studies that follow…

Puberty blocker bans: what the evidence actually says

Puberty blocker bans in the UK and beyond are political decisions that contradict the international medical consensus. Puberty blockers pause puberty…

What makes a woman? Revisiting a question that still matters

Being a woman is an innate sense of identity, not a biological checklist. Defining womanhood through anatomy excludes many cisgender women too: those…

Trans athletes in women's sport: what the evidence shows

Research consistently shows that trans women who have undergone hormone therapy do not retain a straightforward or insurmountable performance…

How anti-trans content dominates online platforms

Hostile, debate-framing videos about trans identity and gender-affirming care consistently outperform affirming content on YouTube and major social…

Trans, black, tall, short - they are just adjectives to the word 'Woman'

Trans women are women, and the refusal to recognise them as such follows a well-documented historical pattern. Angela Y Davis has shown how Black…

Showing 30 of 31. See all Insight.

News41

What's behind HHS claims that gender-affirming care 'may' radicalize

The HHS report claiming gender-affirming care 'may' radicalize people was produced without peer review, without published data, and without disclosed…

What a Finnish mental health study gets wrong about gender care

A Finnish register study published in Acta Paediatrica in April 2026 found higher rates of psychiatric treatment among young people who sought gender…

Forskere felt for uredelighet – og det er transpasienter som har betalt prisen

Fem forskere ved Oslo universitetssykehus er felt for grov uaktsomhet etter å ha brukt pasienters helseopplysninger i forskning uten samtykke. Saken…

Canada holds the line on gender-affirming care while Quillette cries foul

Canada has not ignored the evidence on gender-affirming care for trans young people: it has read the same body of international research as every…

When methodology becomes a weapon against trans youth

A SEGM-affiliated paper in Nature Human Behaviour raises methodological objections to a 2024 study finding that anti-trans laws increased suicide…

Research supporting gender-affirming care: a comprehensive guide

A curated reference guide to clinical guidelines, peer-reviewed studies, and expert analyses that demonstrate the evidence base for gender-affirming…

GMC referral concerns about Dr Hilary Cass detailed

Helen Webberley has published the full list of concerns she raised in her GMC referral of Dr Hilary Cass, responding to public requests for…

Your Voice Matters: Share Your Cass Review Experience

Helen Webberley invites those affected by the Cass Review to share their experiences and perspectives in their own words.

Dr Webberley refers Dr Cass to GMC over review standards

Dr Helen Webberley has made a formal referral to the General Medical Council regarding Dr Hilary Cass, arguing the Cass Review falls short of…

Is gender affirming care safe? The evidence explained

Dr Webberley cuts through the noise to answer a straightforward question about the safety of gender affirming care, drawing on clinical evidence and…

Examining the Cass Review: evidence, assumptions and impact

A detailed look at the assumptions underlying the NHS's most controversial review and why critical re-examination of its findings remains essential.

The attack ad that got the facts wrong on trans care

An attack ad against US Senate candidate Sherrod Brown features a woman claiming she had gender-affirming surgery as a minor in Ohio. Court records…

The New York Post says trans teen suicide risk is a lie. It isn't.

The distress trans young people experience is real, well-documented, and linked to rejection, blocked care, and hostility, not to being trans. A New…

Trump's HHS study linking trans support to violence is not research

The Trump administration's HHS study claiming that support for trans people predicts political violence is not credible research. Experts across…

HHS wastes taxpayer money trying to paint trans Americans as a threat

The Trump administration's Department of Health and Human Services has published a study, conducted by two conservative think tanks with known…

Critics claim trans people 'defy biology'. New research suggests otherwise

Helen can meet the biology argument on its own ground without conceding the premise: trans people do not need to prove themselves through…

Sabalenka backed a policy. The coverage invented a crisis.

Aryna Sabalenka expressed support for the WTA's transgender eligibility policy at a press conference in Montreal. Her words were measured. The Fox…

The Netherlands just reviewed trans youth care and found it works

The Health Council of the Netherlands, the country's highest scientific advisory body, has completed a landmark two-year review of gender-affirming…

The BMA stopped fighting the Cass Review. So who fights now?

Helen has been clear that the Cass Review is internationally discredited. When a doctors' union stops pushing back, it is worth asking why, and what…

38 Dutch websites spread trans disinformation under the guise of help

At least 38 Dutch websites run by a single anonymous administrator pose as helpful resources for people questioning their gender identity but contain…

Detransitioners deserve better than this framing

Detransitioned people are real, their experiences matter, and they deserve compassion and honest care. But the Skeptic article frames transition…

What the Pew numbers on trans restrictions actually measure

A Pew Research Center survey conducted in February 2025 found that American support for restrictions on trans people has grown since 2022, with 66%…

Federal Trade Commission sues leading transgender health group WPATH

The FTC's lawsuit against WPATH is not a consumer-protection action in any ordinary sense. It is an attempt to use federal law to delegitimise the…

New study finds no clear physical advantage for transgender women over cisgender women in sports

A 52-study meta-analysis published in the British Journal of Sports Medicine found no meaningful differences in upper-body strength, lower-body…

The BMA says all the right things. So why did it endorse Cass?

Helen assesses the BMA's LGBTQ+ equality commitments against its institutional response to the Cass Review. The BMA's equality page is strong: it…

Russian doctor revives debunked 'transgender spectrum disorder' diagnosis at congress

The proposal of a "transgender spectrum disorder" diagnosis recycles the same playbook used to pathologise gay people: dress stigma in clinical…

Biological Sex Is Not Binary: What the Science Actually Shows

Leading reproductive medicine specialists confirm that biological sex is a multidimensional construct. Legislation attempting to reduce it to a…

Sport, Identity and the Limits of Acceptable Opinion

Debate around trans athletes in sport continues to intensify. Here is what the evidence and the rules actually say, and why blanket exclusion is not…

New migraine drug approved for children while puberty blockers remain restricted

A brand-new migraine medication has been cleared for trials in children as young as six, raising questions about why established puberty blockers…

Answering a Parent's Questions About the R22 Project

A parent's legitimate concerns about the NHS R22 research project deserve clear, honest answers about what it means for young trans people.

Showing 30 of 41. See all News.

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