Dr David Robert Grimes @drg.bsky.social · 28/09/2026Self-described healer Barbara O'Neill is banned from giving health advice in her native Australia, but is booked for lucrative events in UK & Ireland next month. Health misinformation kills: we've written to venues elucidating why O'Neill's health fictions harm vulnerable patients ⏬ 1186
Dr David Robert Grimes @drg.bsky.social · 01/09/2026Gentle reminder: unless medically directed, you don't need supplements. They are foodstuffs, not medicines, and are cheap - a month's supply of collagen is ~1 euro wholesale. So how are some Irish doctors justifying charging €250 quid A MONTH for them? That's a good bloody question.. a short🧵.. 2169
Dr David Robert Grimes @drg.bsky.social · 30/08/2026As a misinformation researcher, I wish people understood this part better: Disinformation has outsized impact on low information voters with poor media literacy, disinformation is well-funded, social media companies complicit www.theguardian.com/world/2026/a...theguardian.comIceland rejects EU accession talks after divisive referendum campaignWell-funded no camp prevails, winning 52.8% of votes and gaining plaudits from Eurosceptic figures across Europe 160
Dr David Robert Grimes @drg.bsky.social · 25/08/2026Dolly Parton has died at 80. An incredibly talented woman who didn't only give us music, but funded entire libraries and even vaccine research. Her empathy for her fellow humans is an incredible legacy - one conspicuously absent in tech billionaires.. www.theguardian.com/music/2026/a...theguardian.comDolly Parton, country star, actor and philanthropist, dies aged 80Songwriter of I Will Always Love You, Jolene and 9 to 5 also invested millions in child literacy, Covid-19 vaccine development and other causes 1130
Dr David Robert Grimes @drg.bsky.social · 18/08/2026The tragic death of Jason Arday is an awful story. There's been much (often nasty) commentary on Arday's scholarship, with UK redtops pretending now to be concerned bastions of research integrity. Utter nonsense: misconduct in academia is EXTREMELY common, and media rarely cares. Let's review 🧵 194
Dr David Robert Grimes @drg.bsky.social · 12/08/2026Saskia Mostert this year insinuated to US Senate COVID vaccine harms were being suppressed, citing her paper on excess deaths. That paper has just been retracted, over 2 years since Ariel Karlinsky, @gorskon.bsky.social , myself & others raised alarm it was bad retractionwatch.com/2026/08/11/b...retractionwatch.comBMJ Group retracts paper on COVID-19 vaccines and mortality featured in Senate hearingBMJ Public Health has retracted a paper some — including a witness at a recent U.S. Senate subcommittee hearing — have used to link COVID-19 vaccines to deaths. The action comes more than two years… 141
Dr David Robert Grimes @drg.bsky.social · 04/08/2026That a dedicated public servant like Anthony Fauci is before a kangaroo court for doing his job is damning indictment of American politics. Lab leak remains a deeply stupid narrative, beloved of the worst people.. www.instagram.com/reel/DbnGj46...instagram.comInstagramCreate an account or log in to Instagram - Share what you're into with the people who get you. 3123
Dr David Robert Grimes @drg.bsky.social · 01/08/2026As someone who has been targeted both academically and personally by obsessive fringe groups for my academic work and also as someone who investigates scientific integrity concerns, the Jason Arday case is wild.. www.theguardian.com/education/ng...theguardian.comPlaybooks, plagiarism and a pig’s head: new claims surrounding a star Cambridge professorJason Arday was regarded as an academic superstar, but then questions about his work prompted scrutiny of his backstory and counterclaims of racism 141
Dr David Robert Grimes @drg.bsky.social · 29/07/2026Anthony Fauci is a national hero. Rand Paul is an international embarrassment. It is bizarre to watch a halfwit kangaroo court in real time, do Republicans think history will look favourably on this pathetic fixation? www.nytimes.com/live/2026/07...nytimes.comTrump Administration Live Updates: Fauci Pleads Fifth in Senate Hearing on Covid Origins (Gift Article) 172
Dr David Robert Grimes @drg.bsky.social · 29/07/2026Very sad to hear about tragic death of Glen Hansard. Aside from undeniable musical talent, I've a nice story about his thoughtfulness. In 2017, an anti-fluoride activist got hosts of Irish artistists from Christy Moore to Mary Black to sign a letter demanding the government cease fluoridisation.. 1125
Reposted by Dr David Robert GrimesStephan Lewandowsky @lewan.uk · 06/07/20261️⃣ 🧵 Our written evidence “Misinformation about childhood vaccinations: evidence & interventions” for UK House of Lords Childhood Vaccinations Committee is now public—led by Sander van der Linden with Kai Ruggeri, @drg.bsky.social, Heidi Larson, Thom & Jon Roozenbeek and me 1/10 21910
Dr David Robert Grimes @drg.bsky.social · 18/04/2026Donald Trump forcing medical scientists to pander to the half-thought out whims of one time UFC commentator Joe Rogan is a pretty damning indictment of where we are. When future historians write about this period of the idiocracy, the role of halfwit podcasters will be subject of many PhDs.. 0223
Dr David Robert Grimes @drg.bsky.social · 23/03/2026Academics, anyone else noticed a decline in basic editorial standards at major journals? Just had one reject an already accepted manuscript for "duplicated references", turned out to be an AI hallucination in their proofing software. Another asked me review a manuscript I'm author on.. 040
Dr David Robert Grimes @drg.bsky.social · 19/03/2026Finally happened; bike nicked in Dublin 🤨 On Jervis St, under 2 CCTV cams. If anyone sees a suspicious Decathlon 500 folding bike offered for sale, let me know.. 162
Dr David Robert Grimes @drg.bsky.social · 11/03/2026I didn't think much that RFK Jr does could shock me anymore, but it's difficult to overstate how unethical this is. This isn't a trial, it's a piece of antivaccine theatre that will cause severe harm, and everyone involved is contemptible. www.theguardian.com/us-news/2026...theguardian.comExperts fear ‘unethical’ vaccine trial in Africa is ‘prototype’ for US studies under RFK JrDanish researchers whose work on effects of vaccines has been called into question are at center of US vaccine policy 0121
Dr David Robert Grimes @drg.bsky.social · 09/03/2026Uh oh. This appears to be an old moral panic reanimated by modern technology - I've written extensively on "satanic panic" and how leading questions led to false memories of abuse in suggestive populations that never happened. ChatGPT is that on steroids... www.theguardian.com/technology/2...theguardian.comChatGPT driving rise in reports of ‘satanic’ organised and ritual abuse, UK experts sayExclusive: ‘Witchcraft, spirit possession and spiritual abuse’ offending typified by sexual abuse, violence and neglect 374
Dr David Robert Grimes @drg.bsky.social · 12/02/2026Elon Musk's content indistinguishable from that of white supremists, surprising no one. Is there a fundamental law that requires those pathetic enough to assert ostensible racial superiority be the most underwhelming specimens imaginable? www.theguardian.com/technology/2...theguardian.comElon Musk posted about race almost every day in JanuaryMany social media posts by Tesla CEO on his platform are indiscernible from those of white supremacists, say experts 052
Reposted by Dr David Robert GrimesTimothy Caulfield @caulfieldtim.bsky.social · 11/02/2026Prasad overruled FDA staff to reject Moderna’s flu vaccine application www.statnews.com/2026/02/11/m... via @statnews.com "Vaccine skepticism is emanating into FDA from the top, as health secretary Robert F. Kennedy Jr. is a known vaccine critic [read: antivaxx zealot]."statnews.comPrasad overruled FDA staff to reject Moderna's flu vaccine applicationThe rejection is the latest instance of Vinay Prasad overruling career FDA scientists to place vaccines under harsher scrutiny. 03012
Dr David Robert Grimes @drg.bsky.social · 11/02/2026Ivermectin is an article of faith in the MAHA gospel, and one of their defining characteristics is deep antipathy towards vaccination. The lauding of ivermectin began in part as an "alternative" to vaccination - this & Moderna rejection are sheer regulatory capture 😐 051
Dr David Robert Grimes @drg.bsky.social · 11/02/2026The fact that this comes hours after approval of an "Ivermectin for cancer" trial is a damning indictment of the ideological capture the worst people from the pandemic now have over health in the USA... 0123
Dr David Robert Grimes @drg.bsky.social · 25/12/2025Whoever does Santa's logistics is the final boss of the Travelling Salesman Problem 150
Dr David Robert Grimes @drg.bsky.social · 24/12/2025This is pathetic by the University of Oklahoma; If you acquiesce like this to obvious hard-right grifters, they will be emboldened to erode things further. Popper's paradox of tolerance strikes again, institutions cannot make the mistake of trying to entertain those who exist to undermine them.. 160
Dr David Robert Grimes @drg.bsky.social · 29/11/2025The FDA made this assertion without releasing an iota of data to support it or uttering a word about risk-benefit. This is what science by press release looks like, a damning indictment of the ideological capture RFK Jr has enforced www.nytimes.com/2025/11/28/h...nytimes.comF.D.A. Attributes 10 Children’s Deaths to Covid Vaccines 1101
Dr David Robert Grimes @drg.bsky.social · 27/11/2025Happy Thanksgiving for those who celebrate. The perfect opportunity to remember the 1997 Macy's parade, when Barney the dinosaur committed public seppuku and the Cat in the Hat put someone into a Coma.. en.wikipedia.org/wiki/1997_Ma... 061
Dr David Robert Grimes @drg.bsky.social · 20/11/2025Who the hell was stupid enough to think that giving Robert F Kennedy power over medical scientists would make him listen to them? No - mendacious idealouges like him always abuse that power to force their lies on everyone else. We fucking told you so www.reuters.com/business/hea...reuters.com 2100
Dr David Robert Grimes @drg.bsky.social · 19/11/2025Hard-right love "Ireland being overrun" narrative on immigration. But as @fotoole13.bsky.social notes, actual numbers small: here's log-plot of raw inward migration [2024-2025] in terms of Croke Park. As @csoireland.bsky.social explain, net immigration falling too.. t.co/lxq09kU7XU 110
Dr David Robert Grimes @drg.bsky.social · 17/11/2025"Make America Healthy Again" will make not only America but the entire world sicker. RJK Jr and the MAGA movement are modern Lysenkoists, and the consequences of their anti-science agenda will be severe, as I write in @emboreports.org www.embopress.org/doi/full/10.... 1123
Dr David Robert Grimes @drg.bsky.social · 13/11/2025So @jamesheathers.bsky.social & I answer the burning question: does Cake cause Herpes? No, but one can torture the data to give that impression, and that's a problem. Promiscuous dichotomisation in biomedical science hugely increases spurious findings, best avoided link.springer.com/article/10.1... 3179
Dr David Robert Grimes @drg.bsky.social · 08/11/2025Seems everyone has a James Watson story. I met him when I was 27 in Oxford and he told me to fuck off after a joke at his expense, which admittedly I half deserved 🫠 www.theguardian.com/us-news/2025...theguardian.comJames D Watson, who co-discovered DNA’s twisted-ladder structure, dies aged 97Nobel prize winner shaped medicine, crimefighting and genealogy, but later years marred by racist remarks 110
Dr David Robert Grimes @drg.bsky.social · 31/10/2025Kim Kardashian is wrong (shocker!) - moon landings certainly happened. As I showed before, Apollo had >400k staff who'd need be complicit. Chances of them keeping it secret? Virtually zero. Probability of a celebrity saying something daft, alas, approaches unity🤪 journals.plos.org/plosone/arti... 1213
Dr David Robert Grimes @drg.bsky.social · 29/10/2025To most Irish people, Mary McGee was the woman whose supreme court battle legalised contraception. To me, she was my aunt with a cheeky sense of humour & great laugh. Took this of her & my dad just a few weeks ago - RIP May, you'll be missed www.irishtimes.com/ireland/2025... 2333
Dr David Robert Grimes @drg.bsky.social · 26/10/2025After that AI slop from Mick Wallace (not sharing, it's grim), hope President Connelly rejects the asinine nonsense from her former compatriots, Wallace & Daly. As I wrote in @bylinetimes.bsky.social their useful idiocy & propaganda vectoring is something she'll hopefully not enable.. 130
Dr David Robert Grimes @drg.bsky.social · 21/10/2025Funny how the reprobates assaulting Garda in #Citywest get so worked up when they think an immigrant may have committed a crime, but don't give a damn otherwise. All this is just a figleaf for the worst people to pretend their racism is justified, or even laudable 1173
Dr David Robert Grimes @drg.bsky.social · 15/10/2025Bizarre in a "free speech" country - that Kirk veered into conspiracy theory & religious cryptofascism is matter of public record. Going after people for this is like the apocryphal words of Galileo after his conviction for heresy "..and yet it moves.." edition.cnn.com/2025/10/14/p...edition.cnn.comState Department says it has revoked visas from people who allegedly ‘celebrated’ Charlie Kirk’s murder | CNN PoliticsThe US State Department said it has revoked visas from at least six individuals who allegedly “celebrated” Charlie Kirk’s murder. 031
Dr David Robert Grimes @drg.bsky.social · 08/10/2025Disappointing to see Joe Wicks fearmongering about ultra-processed foods. Aside from fact that data on UPFs is inherently confounded & often reflects things like poverty (an actual killer), this reel by Joshua Hill explains why such nonsense is so deeply harmful www.instagram.com/reel/DPUGquB...instagram.comLogin • InstagramWelcome back to Instagram. Sign in to check out what your friends, family & interests have been capturing & sharing around the world. 160
Reposted by Dr David Robert GrimesJack El-Hai @jackelhai.bsky.social · 08/10/2025"Widespread and on the rise." Today's article pick from Damn History, a free monthly newsletter for readers/writers of #popularhistory. Congrats to writer @drg.bsky.social! Read/subscribe to Damn History: damn-history-16d93f.beehiiv.com/subscribe www.bbc.com/future/artic...bbc.comThe strange history of the anti-vaccine movementVaccine scepticism may seem like a new, growing movement. It’s probably a lot older than you think. 011
Dr David Robert Grimes @drg.bsky.social · 07/10/2025Do not mistake this as benign - breaking up MMR into separate shots is inherently antivaccine, as it promotes myth of "vaccine overload" & makes it much more unlikely people will get their children vaccinated. Also, single vaccines aren't available in USA! www.nbcnews.com/health/healt...nbcnews.comActing CDC director calls to 'break up' the measles, mumps and rubella vaccine into three shotsIndividual vaccines for each virus aren't available in the U.S., and no published scientific evidence shows a benefit to separating the combined vaccine. 191
Reposted by Dr David Robert GrimesDr David Robert Grimes @drg.bsky.social · 06/10/2025Asked lots about this piece on Chronic Lyme disease, and disappointed in the @guardian (a publication I both subscribe and contribute to) for running it. Short thread explaining the multitude of problems with it, and why I consider it irresponsible to run as is..🧵 310756
Dr David Robert Grimes @drg.bsky.social · 06/10/2025Asked lots about this piece on Chronic Lyme disease, and disappointed in the @guardian (a publication I both subscribe and contribute to) for running it. Short thread explaining the multitude of problems with it, and why I consider it irresponsible to run as is..🧵 310756
Reposted by Dr David Robert GrimesDr David Robert Grimes @drg.bsky.social · 30/09/2025If you're a clinician or researcher in Ireland feeling a little overwhelmed by statistics, join myself & @cathalwalsh.bsky.social on 11th October in SJH for a 6-credit CPD Essential Medical Statistics, where we'll demystify things together. Tickets here! www.eventbrite.ie/e/essential-...eventbrite.ieEssential Medical Statistics and Evidence AppraisalLearn how to interpret and apply essential medical statistics and evidence in a practical and engaging way at our upcoming event! 032
Dr David Robert Grimes @drg.bsky.social · 06/10/2025Given the values espoused by Farage are chiefly racism and mendacity, I suppose it takes a particular kind of bravery to write a piece in a national newspaper this asinine... 152
Dr David Robert Grimes @drg.bsky.social · 02/10/2025Just published: Influencers peddle expensive wares with "proven" benefits, but research quality of red & blue light therapy for skin conditions is terrible, utterly inconsistent, & biologically dubious.. journals.plos.org/plosone/arti...journals.plos.orgMethodological issues in visible LED therapy dermatological research and reportingBackground The advent of mass-market Light Emitting Diodes (LEDs) has seen considerable interest in potential dermatological applications of LED light photobiomodulation (PBM) for a range of condition... 000
Dr David Robert Grimes @drg.bsky.social · 30/09/2025If you're a clinician or researcher in Ireland feeling a little overwhelmed by statistics, join myself & @cathalwalsh.bsky.social on 11th October in SJH for a 6-credit CPD Essential Medical Statistics, where we'll demystify things together. Tickets here! www.eventbrite.ie/e/essential-...eventbrite.ieEssential Medical Statistics and Evidence AppraisalLearn how to interpret and apply essential medical statistics and evidence in a practical and engaging way at our upcoming event! 032
Dr David Robert Grimes @drg.bsky.social · 26/09/2025Donald Trump talking garbage on public health. Incidentally, notorious fraudster Andrew Wakefield also proposed breaking up the MMR into separate vaccines because he had patents on an alternative but like Trump he was feeding into "vaccine overload" myth.. 020
Dr David Robert Grimes @drg.bsky.social · 22/09/2025Impressive degree of mendacity to try insist on a Tylenol autism link, given its flatly contradicted by better data, like this study of >2 million Danish kids. There's a grim history of false "causes" for autism, a dogwhistle RFK Jr & Trump blowing.. jamanetwork.com/journals/jam...jamanetwork.comAcetaminophen Use During Pregnancy and Children’s Risk of Autism, ADHD, and Intellectual DisabilityThis nationwide cohort study with sibling control analysis examines the association of acetaminophen use during pregnancy with children’s risk of autism, ADHD, and intellectual disability. 1127
Dr David Robert Grimes @drg.bsky.social · 22/09/2025Prediction: After today's announcement, Leucovorin will become the new ivermectin or hydroxychloroquine - an effective drug for one indication forced without evidence onto another condition for which it has no efficacy, ultimately causing harm... 030
Dr David Robert Grimes @drg.bsky.social · 18/09/2025Danny Healy Rae's statements about autism today have prompted understandable anger from autism support groups. Rather than stick a boot in, it's worth unpacking his misconceptions because I hear them from parents all the time.. a short thread 🧵 www.thejournal.ie/danny-healy-...thejournal.ieTDs write to Ceann Comhairle to ask that Danny Healy Rae withdraw remarks about autismThe comments from Healy Rae have also been criticised as “unhelpful” and “misinformed” by the autism charity AsIAm. 141
Reposted by Dr David Robert GrimesRetraction Watch @retractionwatch.com · 17/09/2025Why has this microRNA review paper been cited more than 2,000 times? Our Sleuth in Residence @drg.bsky.social digs inretractionwatch.comWhy has this microRNA review paper been cited more than 2,000 times?Earlier this year, Marc Halushka, a pathologist at Cleveland Clinic in Ohio, came across a review titled simply “MicroRNA,” an unusually short title in a big field. Looking deeper into the re… 0137
Dr David Robert Grimes @drg.bsky.social · 15/09/2025Last week @gorskon.bsky.social worried Charlie Kirk may become the Horst Wessel of MAGA, a propaganda tool to go after opponents. Seems today that JD Vance confirms it. Straight out of autocratic regime playbook, and completely at odds with first ammendment... www.theguardian.com/us-news/2025...theguardian.comJD Vance threatens crackdown on ‘far-left’ groups after Charlie Kirk shootingVice-president says White House will pursue those who praise Kirk’s death and groups that ‘promote terrorism’ 261