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Paul Dijkstra

@drpauldijkstra.bsky.social
305 followers 295 following 5 posts

Sport and exercise medicine physician; DPhil Evidence-Based Health Care

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Reposted by Paul Dijkstra
Trish Greenhalgh @trishgreenhalgh.bsky.social · 06/09/2026
Starting to write a paper on the philosophy of AI in evidence synthesis, focusing mainly but not exclusively on hermeneutic methods. Has anyone done this already? Grateful for leads. TY #philsci #episky
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Stephanie Carvin @stephaniecarvin.bsky.social · 27/08/2026
Wake up, babe. The Prime Minister just dropped “hydronym”.
The name Lake Ontario comes from the Wendat word Ontari’io, which, appropriately, means “the lake is beautiful, the lake is big”.

The name is more than 400 years old, predating both the Confederation of Canada and the Declaration of Independence of the United States of America.

We know that America is changing. Their trading relationships, their foreign policies, their national monuments, their hydronyms. 

Canadians also know that naming reality means calling it Lake Ontario – then, now and always.
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Aaron Rupar @atrupar.com · 25/08/2026
"We watched it on TV. And it's like, 'That's our son. That's Alex. And they killed him' ... trying to help someone" -- Alex Pretti's dad
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 21/08/2026
I think it’s time to stop calling this man an academic. www.theguardian.com/uk-news/2026...
theguardian.com
Academic who accused Jason Arday of plagiarism suspended by his university
Researcher Nathan Cofnas previously claimed Black people would hold few high-profile positions in a meritocracy
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The BMJ @bmj.com · 13/08/2026
Donald Trump signed an executive order this week that will require the MMR vaccine to be delivered in separate doses. US policies are making a resurgence of vaccine-preventable diseases inevitable www.bmj.com/content/394/...
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 15/08/2026
Ah yes, that fully objective, unassailable scientific instrument: the randomised controlled trial. I’m joking of course. But look how “EBM” is the cover for this scam. Via @jvipondmd.bsky.social
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Al Jazeera English @aljazeera.com · 14/08/2026
A potential environmental disaster is unfolding off Oman, where a grounded tanker is leaking sanctioned Russian crude oil in a protected marine area. The tanker carrying about 1 million barrels of oil has created an oil slick estimated at 2,000 square kilometres.
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Phil Lewis @phillewis.bsky.social · 10/08/2026
GOP Sen. Bill Cassidy says Donald J. Trump’s executive order on vaccines is “wrong.” “I’m a doctor. This executive order is wrong. The President does not have the expertise to make these changes. Vaccines are overwhelmingly safe. Vaccines are effective. Vaccines DO NOT cause autism.”
“I’m a doctor. This executive order is wrong. The President does not have the expertise to make these changes. 

Vaccines are overwhelmingly safe. Vaccines are effective. Vaccines DO NOT cause autism. 

Breaking up vaccines will mean children have to get more shots to get the same protection, not fewer shots. It will increase hesitancy and make children less safe.

Parents should listen to their child’s pediatrician about vaccines rather than listening to an inaccurate executive order. This is so wrong”
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 08/08/2026
“Fauci has devoted more than 50 years to public service, leading NIAID and the US through the HIV/AIDS epidemic, the 2001 anthrax attacks, SARS, pandemic influenza, Ebola, Zika, & other infectious disease threats.” Thanks @gavinyamey.bsky.social for honouring this hero. www.bmj.com/content/394/...
bmj.com
Fauci’s Senate hearing riled up the MAGA base—but at the cost of damaging public health
The vilification of Anthony Fauci by Senate Republicans will erode trust in science, curtail international research collaborations, and deter scientists and health experts from entering public service...
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Ben Ansell @benansell.bsky.social · 01/08/2026
Glad someone senior from the sector is pushing back. Labour MPs need to understand the serious real anger from graduates and the people who produce them. And the dangerous financial situation they have allowed to fester, or indeed worsened, in one of Britain’s leading sectors.
ft.com
Labour has harmed universities as much as Trump, London School of Economics head says
LSE vice-chancellor Larry Kramer points to domestic student fees freeze, international student limits and rise in employers’ national insurance
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 26/07/2026
Devolving power in the NHS is long overdue. UK has the most centralised, top-down health service in the world. Thanks Nuffield for this timely paper! #healthpolicy
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 26/07/2026
No. Someone did a TINY trial on 47 overweight people, 26 of whom had restricted eating hours. They presented their non peer reviewed findings at a conference. Science journalists who should know better bigged up the press release. www.theguardian.com/science/2026...
theguardian.com
Restricted eating hours may reduce cognitive decline in older age, researchers find
Preliminary study shows older people who avoided food four hours before bed did better in problem solving tests
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 22/07/2026
Go see Life Support. Healthcare workers bearing witness to genocide in Gaza. #medsky lifesupportfilm.co.uk
lifesupportfilm.co.uk
Life Support – The Film
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Brexit Bin 🇪🇺 🇬🇧 🇩🇪 @brexitbin.bsky.social · 19/07/2026
Nothing Andy Burnham does will work unless he bins Brexit and applies to rejoin at least the EU's Single Market. #RejoinEU 🇬🇧🇪🇺
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Oisín McGann @oisinmcgann.bsky.social · 15/07/2026
I don’t know why this post doesn’t give his name, but it’s Jo Nagai. This is a true story. medium.com/@zehraanjum2...
medium.com
How a 10-Year-Old Boy’s Butterfly Experiment Silently Rewrote What We Know About Memory
In the world of science, breakthroughs often come from state-of-the-art labs with million-dollar equipment. But sometimes, they begin in a…
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🦋MOM🦋 @momcjl.bsky.social · 10/07/2026
Brain drain and our nation will suffer consequences.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 09/07/2026
Important new paper from Martin, Tiago and Christina. Europe must learn from America's assault on science.
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rprobbins.bsky.social @rprobbins.bsky.social · 27/06/2026
Great news for the American people 💯🎯
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 23/06/2026
Oooh, we're entering the era of academic journals dropping their "qualitative checklists". Well done, Implementation Science. Maybe I'll send you a paper now. link.springer.com/article/10.1...
link.springer.com
Embracing complexity by reducing rigidity: guiding principles for the intersection of implementation science and qualitative research - Implementation Science
In this editorial we reflect on recent contributions that have focused on how researchers should involve qualitative research in implementation science. Implementation science as a discipline has firm...
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Rima I Anabtawi @rimaanabtawi.bsky.social · 21/06/2026
Doctors 25% more likely to miss a diagnosis on a patient within 3 months after Ai is implemented. The results indicate Ai has an immediate negative effect on professionals skillsets vs prolonged reliance. www.nature.com/articles/d41...
nature.com
Is AI ruining our skills? Early results are in — and they’re not good
Reliance on artificial-intelligence tools degrades the abilities of physicians and software engineers, studies show.
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Kat 🕊️ @smith83k.bsky.social · 18/06/2026
Read Michelle Obama’s full speech at the Obama Presidential Center Grand Opening. #Pinks www.nbcchicago.com/news/local/h...
nbcchicago.com
'Hope is all we have': Read Michelle Obama's full speech at Obama Center grand opening
Michelle Obama spoke directly to her husband when she stepped up to the podium -- then proceeded to bring him and members of the audience to tears.
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Ricky Davila @therickydavila.bsky.social · 16/06/2026
The Obamas just unveiled their first-ever commissioned portrait together which is located in the lobby of the new Obama Presidential Library. Beautiful.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 13/05/2026
In a week of deeply depressing news at home and abroad, take five minutes to be inspired by Tala and Farah’s grit and tenacity. Tell your kids what they achieved, from a tent in a bombed-out city. Gaza sisters win prize for turning rubble into reusable bricks www.bbc.co.uk/news/article...
bbc.co.uk
Gaza sisters win prize for turning rubble into reusable bricks
Displaced teenagers Farah and Tala wanted to 'turn destruction into something useful'.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 09/05/2026
I hope I live to see the day when this is sung at Westminster. #Rejoin.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 06/05/2026
Looks like we need to remind ourselves of this graph. Few cases doesn’t mean nothing to worry about. I’m not saying there’s a pandemic round the corner, I’m saying we need to think smart and act fast, just in case.
Two graphs of exponential growth. Public health say “under control” till the line is nearly vertical (ie late in the day). Scientists recognise it’s exponential even in the early phase when nothing appears to be happening.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 05/05/2026
www.theguardian.com/sport/2026/m... Well said. Clean or it isn’t sport.
theguardian.com
These are the questions I would ask the Enhanced Games … if they would let me | Sean Ingle
While the doping-friendly event does not seem keen on journalistic interrogation, here’s what needs to be asked
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Dr. Jack Brown @drjackbrown.bsky.social · 28/04/2026
When a King and direct descendent of King George III has to remind the American government about the utmost importance of checks and balances, you know we're in deep trouble.
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Rod Whiteley @rodwhiteley.bsky.social · 28/04/2026
Scientific journals "adding value" episode# 658,447. As an exercise I wondered what they (Springer in this case) would charge for a figure to be cited & reproduced for use in freely accessible professional development - for 4 years, they want $1600. I wonder how much the authors get?
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 23/04/2026
Our new article on Trump’s mental health and whether doctors should comment on it. www.bmj.com/content/393/...
bmj.com
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 10/04/2026
AI scribes. Greta blog by @benngooch.bsky.social substack.com/home/post/p-...
substack.com
I Was an Enthusiastic Early Adopter of AI Scribes. Here’s Why I Stopped
A GP reflects on what eighteen months of ambient scribing taught them about the consultation they thought they already understood.
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Dan Immergluck @danimmergluck.bsky.social · 08/04/2026
Brutal.
A WHOLE CIVILIZATION
WILL DIE TONIGHT
My son needs lunch, and I have to put his backpack together, but a whole civilization will die tonight, so I'm wondering if they've closed their schools.
Like, a snow day, maybe, except instead of snow it's
"keep your children home so if you die, you die together" — instead of "well open back up once the plows have cleared" it's
"we don't know if we'll be here tomorrow, hold your babies tight."
It's just "talk" I'm told, which I've been told before.
"It's how the president makes his deals." But I've never heard anyone talk about other human beings this way, and I'm not certain I can look my son in the eyes if we all agree to stomach it one more time.
A civilization will die tonight, but as I zip up his backpack and kiss him off to school I think: if this is what we call leadership then I'm not entirely sure ours isn't already dead.
@michaelfdubois
Mukad A QuBoy
@michacifdubois
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 07/04/2026
Let’s make a thread. Post the antithesis of mutually assured destruction. Sending love and peace to all. We are better than this man, this war.
Buttercups close up in field. Clouds in blue sky. Looks nice.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 19/03/2026
Seconded. Labour should talk sensibly and strategically about re-joining the EU. It's the one thing that might save them at the next general election. Keep talking, @london.gov.uk
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 13/03/2026
Agnus Dei in memory of Sarah Everard, composed by Elisabet Dijkstra. Performed in Christ Church Cathedral recently. Just beautiful. www.youtube.com/watch?app=de...
youtube.com
Agnus Dei for Sarah
YouTube video by Elisabet Dijkstra
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Paul Dijkstra @drpauldijkstra.bsky.social · 08/03/2026
On international women’s day… Composed in 2021 in memory of Sarah Everard. m.youtube.com/watch?v=2oxM...
m.youtube.com
Agnus Dei for Sarah
YouTube video by Elisabet Dijkstra
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Dr. Glaucomflecken @glaucomflecken.bsky.social · 07/03/2026
Hey I did a fun thing with @warren.senate.gov about breaking up giant healthcare conglomerates
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Barack Obama @barackobama.bsky.social · 07/03/2026
Reverend Jesse Jackson called on each of us to be heralds of change, to be messengers of hope; to step forward and say “Send me” wherever we have a chance to make an impact. How fortunate we were that Jesse Jackson answered that call. What a great debt we owe to him.
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Prof Sheena Cruickshank @sheencr.bsky.social · 27/02/2026
This is the front cover of the new edition of @thelancet.com (thanks to @profstevegriffin.bsky.social for sharing) #HealthPolicy #Science 🧪🧵
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Rhea Liang @liangrhea.bsky.social · 26/02/2026
Such a treat for me and Kieran Le Plastrier to catch up with @trishgreenhalgh.bsky.social for her lecture on Mechanism informed narrative synthesis (a snippet- www.cambridge.org/core/journal...) at Bond university today. #MedSky
Trish, Rhea and Kieran lit up by Trish's opening slide, titled Mechamism informed narrative synthesis (MINS)
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Ben Goldacre @bengoldacre.bsky.social · 23/02/2026
OpenSAFELY is open from today! Huge thanks to all who supported this vast collaboration: whole population GP data; in a productive platform; innovative privacy protections; unprecedented support from professions, privacy campaigners; &c Now it's over to users! www.bennett.ox.ac.uk/blog/2026/02...
bennett.ox.ac.uk
OpenSAFELY news: you can apply to do non-COVID research, from today! | Bennett Institute for Applied Data Science
We are delighted to announce that - from today - you can submit applications to the OpenSAFELY service for non-COVID-19 studies.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 17/02/2026
Sorry this was from 2025 - THIS year Ramadan starts 18/19 Feb.
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Omg. WTF is Happening? @lalahaenzy.bsky.social · 05/02/2026
Sir Ian McKellen performing a monologue from Shakespeare’s Sir Thomas More on the Stephen Colbert show. Never have I heard this monologue performed with such a keen sense of prescience. Nor have I ever been in this exact historical moment.TY Sir Ian, for reaching us once again. #Pinks #ProudBlue
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 05/02/2026
Important paper. Schools are high-risk environments for respiratory disease transmission MAINLY because classrooms are underventilated. This problem has a workable solution - it just needs political will. Air quality is as important as water quality for public health. MT @martinmckee.bsky.social
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 06/02/2026
Our new paper: Synthesis challenges in complex evidence: A critical analysis of systematic reviews of face mask efficacy #episky #healthpolicy #medsky www.cambridge.org/core/journal...
cambridge.org
Synthesis challenges in complex evidence: A critical analysis of systematic reviews of face mask efficacy | Research Synthesis Methods | Cambridge Core
Synthesis challenges in complex evidence: A critical analysis of systematic reviews of face mask efficacy
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Adam Bienkov @adambienkov.bsky.social · 27/01/2026
This is how the BBC is reporting Matt Goodwin's selection as Reform's candidate in Gorton and Denton. He's not an academic. He holds no academic position and hasn't done for quite some time.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 15/01/2026
Whoever got this unethical trial cancelled, you just saved some lives. Kennedy, you should be ashamed of yourself for backing it in the first place. www.theguardian.com/us-news/2026...
theguardian.com
Controversial US study on hepatitis B vaccines in Africa is cancelled
$1.6m project drew outrage over ethical questions about withholding vaccines proven to prevent disease
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Dare Obasanjo @carnage4life.bsky.social · 20/08/2025
MIT’s NANDA initiative found that 95% of generative AI deployments fail after interviewing 150 execs, surveying 350 workers, and analyzing 300 projects. The real “productivity gains” seem to come from layoffs and squeezing more work from fewer people not AI.
fortune.com
MIT report: 95% of generative AI pilots at companies are failing
There’s a stark difference in success rates between companies that purchase AI tools from vendors and those that build them internally.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 21/12/2025
2. How to Read a Paper involving AI. With @drpauldijkstra.bsky.social, @jessmorley.bsky.social and new name-to-watch Yosra Mekki bmjmedicine.bmj.com/content/4/1/...
bmjmedicine.bmj.com
How to read a paper involving artificial intelligence (AI)
This paper guides readers through the critical appraisal of a paper that includes the use of artificial intelligence (AI) in clinical settings for healthcare delivery. A brief introduction to the diff...
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 18/12/2025
When I was a medical student 45 years ago, I clerked in a 13 year old girl with deep jaundice and an abdominal mass. She was Hepatitis B positive. That had led to a primary liver tumour. In a 13-year-old. She was dead within the month. Avoidable with vaccination.
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Trish Greenhalgh @trishgreenhalgh.bsky.social · 09/10/2025
Head hits desk.
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