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Prof Harry Sumnall

@profhrs.bsky.social
934 followers 492 following 221 posts

Prof of Substance Use at the School of Psychology, and Public Health Institute, LJMU (UK) - Drug research, policy, and culture. Member of ACMD. Advisor to Anti Stigma Network, ISSUP profiles.ljmu.ac.uk/1416-harry-sumn…

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Reposted by Prof Harry Sumnall
The Anti-Stigma Network @anti-stigmanetwork.bsky.social · 27/08/2026
Awareness is growing. But awareness alone won't dismantle stigma. We're launching 2 new Anti-Stigma Network Policy Briefings, exploring how stigma affects people's experiences across healthcare & criminal justice - zurl.co/zzmSH Read them. Share them. Use them.
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Reposted by Prof Harry Sumnall
Mike Jay @mikejay.bsky.social · 11/06/2026
bureauoflostculture.podbean.com/e/free-radic...
bureauoflostculture.podbean.com
Free Radicals - Tripping in the 18th Century. | Bureau of Lost Culture
In the company of historian of drugs, MIKE JAY, we journey back to the first psychedelic age - not the 1960s, but the 1790s, when Britain was at the forefront, at the frontier, of gonzo psychedelic sc...
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Reposted by Prof Harry Sumnall
Mike Jay @mikejay.bsky.social · 19/04/2026
When the legend becomes fact… mikejay.net/bicycle-day-...
mikejay.net
Bicycle Day Revisited - Mike Jay
What really happened on the first acid trip?
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Reposted by Prof Harry Sumnall
The Anti-Stigma Network @anti-stigmanetwork.bsky.social · 07/04/2026
This #WorldHealthDay: stand with science - and challenge stigma. Stigma harms health. It stops people seeking support. It drives inequality. We’re working together to change the narrative on drug & alcohol use. We stand with science. We stand against stigma. #StandWithScience #EndStigma @who.int
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Reposted by Prof Harry Sumnall
Toby Seddon @tobyseddon.bsky.social · 18/02/2026
New PhD studentship opportunity! Research and write the history of Release, supervised by me and @alexmold.bsky.social! bloomsbury.ac.uk/drugs-civil-...
bloomsbury.ac.uk
Drugs, Civil Rights and the Alternative Society: A History of Release
Principal Supervisor: Professor Toby Seddon (UCL) Co-Supervisor: Professor Alex Mold (LSHTM) Project Description Background Described as the oldest independent drugs charity in the world, Release w…
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Reposted by Prof Harry Sumnall
Dr Patsy Irizar @patsyirizar.bsky.social · 13/02/2026
One of my dissertation students is recruiting participants for a short survey to understand experiences of stigma and discrimination in mental health care. Nuba needs a few more participants who identify as South Asian - please share! lnkd.in/eNNbr3BJ
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Reposted by Prof Harry Sumnall
Peder Clark @pederclark.bsky.social · 11/02/2026
this is tomorrow, you can sign-up here: ucd-ie.zoom.us/webinar/regi...
ucd-ie.zoom.us
Welcome! You are invited to join a webinar: CHOMI Seminar - 12 February 2026. After registering, you will receive a confirmation email about joining the webinar.
Dr Peder Clark '“Sorted”: Leah Betts, ‘ordinariness’ and drugs in 1990s Britain'
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Reposted by Prof Harry Sumnall
Psychedelic Press @psypre.bsky.social · 27/01/2026
"At some point during his tenure with Stark in Paris, Kemp created what was to become the infamous ‘brown acid’ distributed at the 1969 Woodstock festival." - Andy Roberts psychedelicpress.substack.com/p/acid-chemi...
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Reposted by Prof Harry Sumnall
Kari Lancaster @karilancaster.bsky.social · 22/01/2026
Lecturer in Criminology job in Social and Policy Sciences at the University of Bath. Might be of interest to those out there working in drug policy/critical drug studies too? www.bath.ac.uk/jobs/Vacancy... @issdrugpolicy.bsky.social
bath.ac.uk
ED13355 Lecturer - Jobs at Bath
lecturer
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Reposted by Prof Harry Sumnall
Elaine Hyshka @ehyshka.bsky.social · 07/01/2026
So *what is* a public health approach to substance use? Our latest 🧪 paper provides a systematic review of academic and grey literature and outlines a conceptual framework to guide practitioners. link.springer.com/article/10.1186/s12889-025-25402-4
link.springer.com
Defining a public health approach to substance use: insights from a systematic scoping review and conceptual framework development approach - BMC Public Health
Background Psychoactive substance use represents a significant global public health challenge, leading to diverse health, social, and environmental harms. Traditional punitive and commercial approache...
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Reposted by Prof Harry Sumnall
Suzi Gage @soozaphone.bsky.social · 07/01/2026
...I wrote it. Have at it. Special prize if you can tell me what film the pictured pub features in... open.substack.com/pub/suzigage...
open.substack.com
OF COURSE drink driving laws need to be updated in England and Wales
We are using antiquated regulations, and are out of step with much of the rest of the world
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Prof Harry Sumnall @profhrs.bsky.social · 19/12/2025
I had an informal chat with @whatareyou0n.bsky.social for his ‘What Are You On?’ Substack about what the latest drug use stats for England and Wales might mean. whatareyouon.substack.com/p/what-are-w...
whatareyouon.substack.com
What are we Taking?
A snapshot of our shared altered reality
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Reposted by Prof Harry Sumnall
The Anti-Stigma Network @anti-stigmanetwork.bsky.social · 16/12/2025
Did you know we offer Organisational Membership of the Anti Stigma Network? If you educate your staff and stakeholders to understand stigma, call it out when they experience or observe it, and support the work of the network then you can sign up for FREE. zurl.co/timu9
zurl.co
Join Us — Anti-Stigma Network
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Reposted by Prof Harry Sumnall
The Anti-Stigma Network @anti-stigmanetwork.bsky.social · 05/12/2025
Are you committed to ending stigma? Why not join us. All we ask is that you call out stigma and discrimination when you experience it and observe it, and work with other members to share how best to understand stigma and fight discrimination. Sign up, its free: zurl.co/J257s
zurl.co
Join Us — Anti-Stigma Network
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Reposted by Prof Harry Sumnall
Jenny Scott @jscottuob.bsky.social · 22/10/2025
We co-developed a resource with people with living experience of using pharmacies for substance use services, to support pharmacy teams to better understand what it feels like & reduce stigma. Free, just need to download. Please do share: express-licences.bristol.ac.uk/product/voic...
express-licences.bristol.ac.uk
Voice of the Voiceless - Bristol
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Reposted by Prof Harry Sumnall
Matt Wall @mattwall.bsky.social · 21/10/2025
First human PK data from a novel psychedelic (bretisilocin) just published. Massive landmark in psychedelic drug development. > Looks good on standard measures. > Fast onset (20-30 mins) and washout (2 hours). Maybe the perfect drug for psychedelic therapy? journals.sagepub.com/doi/full/10....
journals.sagepub.com
A novel psychedelic 5-HT2A receptor agonist GM-2505: The pharmacokinetic, safety, and pharmacodynamic profile from a randomized trial healthy volunteer - Gerard J. Marek, Soma Makai-Bölöni, Daniel Umb...
Background: The treatment of major depressive disorder (MDD) with available antidepressant drugs is characterized by considerable ineffectiveness. Classical psy...
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Reposted by Prof Harry Sumnall
Alex Stevens @profalexstevens.bsky.social · 18/10/2025
We need two new full-time lecturers in #criminology here at @sheffielduni.bsky.social. One permanent share.google/RuTNSJWfvkuK... and one 12 month maternity cover share.google/xzf5icskztO9...
share.google
Lecturer in Criminology at University of Sheffield
Apply for the Lecturer in Criminology role on jobs.ac.uk, the top job board for academic positions in higher education. View details and apply now.
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Reposted by Prof Harry Sumnall
Max Daly @maxdaly.bsky.social · 02/10/2025
I wrote a piece about the rise of “pink cocaine”, a drug for the modern age, in Colombia, Spain and now in the UK. unherd.com/2025/10/why-...
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Reposted by Prof Harry Sumnall
IMS @phi-ims.bsky.social · 30/09/2025
Opportunity to join our team as a drug related deaths admin and research support officer (closing date 09/10/25). jobs.ljmu.ac.uk/vacancy/drug...
jobs.ljmu.ac.uk
Drug Related Deaths Admin and Research Support Officer (0.8fte) Fixed term (5169)
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Reposted by Prof Harry Sumnall
Ian Hamilton @profianhamilton.bsky.social · 21/09/2025
@profhrs.bsky.social & I sopke to @marthagill.bsky.social for this piece observer.co.uk/news/opinion...
observer.co.uk
Britain is not yet an opioid nation but rising drug death...
Policymakers are alert to the growing menace of opioids, if not to the most effective solutions
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Reposted by Prof Harry Sumnall
European Union Drugs Agency (EUDA) @euda.europa.eu · 19/09/2025
🚨 Think you can stay one step ahead of emerging drug threats? We’re hiring a Scientific analyst (AD 6) to help operate and develop the EU Early Warning System on new psychoactive substances. 📅 Apply by 17 October: euda.europa.eu/calls/2025/ad202506_en #EUCareers
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Reposted by Prof Harry Sumnall
The Anti-Stigma Network @anti-stigmanetwork.bsky.social · 18/09/2025
New CPD-accredited training from the Anti-Stigma Network & Adfam: tackling stigma around substance use. For frontline staff working with individuals and families. 📅 Wed 19 Nov 2025, 9.30–3.30 (online via Zoom) 🎟️ £95 members / £110 non-members 🔗 Book here: zurl.co/jAXsO Questions: admin@adfam.org.uk
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Prof Harry Sumnall @profhrs.bsky.social · 18/09/2025
The ACMD has just published its call for evidence on cannabis-based products for medicinal use in the United Kingdom, as part of its ongoing review. www.gov.uk/government/c...
gov.uk
Cannabis-based products for medicinal use
Call for evidence to support ACMD's review of changes to legislation on the use of cannabis-based products for medicinal purposes (CBPMs).
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Reposted by Prof Harry Sumnall
Marion Campbell @marionkcampbell.bsky.social · 08/09/2025
I seem to have been discussing pilot and feasibility studies a lot this week. One question often asked is how big should my pilot/feasibility study be? 1/6 #MethodologyMonday #124
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Prof Harry Sumnall @profhrs.bsky.social · 03/09/2025
Pleased to see that the 30th Royal College of General Practitioners & Addiction Professionals 'Managing Addictions in Primary Care Conference' will be held in Liverpool 26-27 February 2026 rcgp.my.site.com/s/lt-event?i...
rcgp.my.site.com
Community
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Reposted by Prof Harry Sumnall
Hazel Cheeseman @hazelcheeseman.bsky.social · 27/08/2025
This is a great summary of how the tobacco industry weaponises the illicit market to serve their own agenda.
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Reposted by Prof Harry Sumnall
SHAAP @shaapalcohol.bsky.social · 08/08/2025
🔊Register now for our upcoming seminar on Scotland's first Managed Alcohol Programme. 12.45 - 2pm, Mon 1 Sep 2025 @sarnalcohol.bsky.social www.eventbrite.co.uk/e/alcohol-oc...
eventbrite.co.uk
Alcohol Occasional 3: Scotland’s first Managed Alcohol Programme
Join us online for our third seminar of the 2025 series, delivered by Dr Emma King, Dr Hannah Carver and Jessica Greenhalgh.
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Reposted by Prof Harry Sumnall
IMS @phi-ims.bsky.social · 11/08/2025
New paper published by Dr Victoria Marland and colleagues, an evaluation of nitazene test strips. Their conclusions recommend caution when used in front-line testing, and highlight false positive results associated with the presence of caffeine harmreductionjournal.biomedcentral.com/articles/10....
harmreductionjournal.biomedcentral.com
Evaluation of nitazene immunoassay test strips for rapid in-situ detection of nitazene and nitazene analogs in illicit drug samples - Harm Reduction Journal
Background The detection of nitazene compounds in the United Kingdom has raised concerns among healthcare professionals, public health authorities, and law enforcement due to the increased risk of fat...
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Reposted by Prof Harry Sumnall
Owen Bowden-Jones @owenbowdenjones.bsky.social · 08/08/2025
Want to contribute to the ACMD review of ketamine related harms? Then why not participate in the call for evidence. Closes 19th August. www.gov.uk/government/c...
gov.uk
Ketamine harms assessment
The Advisory Council on the Misuse of Drugs (ACMD) is calling for evidence on ketamine use, harms and interventions.
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Reposted by Prof Harry Sumnall
Collective Voice @collective-voice.bsky.social · 07/08/2025
@adfam.bsky.social and Collective Voice are excited to announce the launch of a brand-new group, bringing together organisations supporting #families affected by #substance use and individuals with lived experience, to work together to improve support. www.collectivevoice.org.uk/news/introdu...
collectivevoice.org.uk
Introducing: The New Collective Voice Affected Others Group! - Collective Voice
Adfam and Collective Voice are excited to announce the launch of a brand-new group, bringing together organisations supporting families affected by substance use and individuals with lived experience, to work together to improve support for affected others.
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Prof Harry Sumnall @profhrs.bsky.social · 04/08/2025
Offering financial incentives (including contingency management models) is an effective way to reduce substance use, particularly nicotine and alcohol. There's some emerging evidence around use of incentives for other drugs such as opioids and stimulants academic.oup.com/ntr/article/...
academic.oup.com
Financial Incentives for Substance Abstinence: A Systematic Review and Meta-analysis
AbstractIntroduction. Substance use disorder (SUD) increased by 45% globally in the past 10 years, representing one of the largest increases in risk factor
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Reposted by Prof Harry Sumnall
Dr David Luke @drdluke.bsky.social · 31/07/2025
It seems I will feature in a few of the forthcoming episodes of the new 12-part BBC Radio 4 documentary about #psychedelics called "The Trip", which runs across two weeks starting next Monday, at 13:45 daily, Mon-Fri. www.bbc.co.uk/programmes/m...
bbc.co.uk
BBC Radio 4 - Understand, The Trip - Episode guide
All episodes of The Trip
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Reposted by Prof Harry Sumnall
James Morris @jamesmorris24.bsky.social · 22/07/2025
I've written a piece for @addiction-ssa.org on Alcoholics Anonymous, exploring it's current role - and tensions - within the current recovery landscape 90 years after its first meetings were held. Please share 🙏 www.addiction-ssa.org/features/ess... #alcoholicsanonymous #recovery #addiction
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Reposted by Prof Harry Sumnall
Dr Evelyn Hearne @evhearne.bsky.social · 17/07/2025
*PARTICIPANTS* Have you been out /worked in bars, pubs, and clubs in Liverpool City Centre in the past 12 months? We want to hear about your perceptions of safety for LGBTQIA+ people in straight nightlife in Liverpool. You will be compensated for your valuable time. PM or email E.Hearne@ljmu.ac.uk
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Reposted by Prof Harry Sumnall
Carla Treloar @carlatreloar.bsky.social · 17/07/2025
Drum roll please... Today I’m so excited to launch a new global network – Tackling Stigma in Healthcare. Check out the website: tacklingstigmainhealthcare.com
tacklingstigmainhealthcare.com
Tackling Stigma in Healthcare
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Reposted by Prof Harry Sumnall
The Mental Elf @thementalelf.bsky.social · 09/07/2025
Psychedelics in mental health: still a field full of hype, hope… & huge gaps in evidence buff.ly/nBGYa3B New blog by leading experts sets out 5 priorities to move the field forward — from better trial design to preparing health systems. Let’s unpack them 👇 🧵 THREAD #Psychedelics #MentalHealth
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Reposted by Prof Harry Sumnall
Andrew McAuley @arjmcauley.bsky.social · 07/07/2025
Our latest [open access] paper evaluated what happened to drug-related mortality risk among people with opioid dependence in Scotland during the Covid-19 pandemic. In short, they stabilised (at a very high level), and OAT remained highly protective. www.sciencedirect.com/science/arti...
sciencedirect.com
Risk of drug-related mortality among people receiving opioid-agonist treatment during the COVID-19 pandemic in Scotland
The COVID-19 pandemic led to changes in delivery of opioid-agonist treatment (OAT) and risk of drug-related harm in Scotland. This study aimed to (i) …
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Prof Harry Sumnall @profhrs.bsky.social · 06/07/2025
“At this stage, no clinical evidence of injection nor symptoms suggesting the administration of a psychoactive substance have been found."
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Reposted by Prof Harry Sumnall
Dr Alex Barker @abbarkerpsych.bsky.social · 06/07/2025
New publication! ‘Exposure to #alcohol content in the media is a factor in experimenting with alcohol and continued use. This review extends this view to consider #SocialNorms and #SocialIdentity as a potential pathway through which alcohol marketing exerts its effect’ www.mdpi.com/3391466
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Will Lawn @willlawn.bsky.social · 02/07/2025
We have published our new review 'Recent Innovations to Detect and Intervene to Prevent Opioid Overdose Deaths' led by Basak Tas and John Strang. kclpure.kcl.ac.uk/portal/en/pu...
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Reposted by Prof Harry Sumnall
Institute of Alcohol Studies @ias.org.uk · 27/06/2025
Why is youth drinking in decline? Listen to our latest podcast to hear why it's more than any one cause, and needs to be understood from a broader sociological position of generational change. Ft. @jholmessheff.bsky.social and @amypennay.bsky.social Listen here: www.ias.org.uk/podcast/why-...
ias.org.uk
Why are young people drinking less? - Institute of Alcohol Studies
On this month’s podcast we spoke to Professor John Holmes, University of Sheffield, and Amy Pennay, La Trobe University, about their new book: Young People, Alcohol, and Risk: A Culture of Caution. W...
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Owen Bowden-Jones @owenbowdenjones.bsky.social · 25/06/2025
Delighted to see our editorial on the medicinal and non-medicinal use of ketamine published today. @ssa-addiction.bsky.social @addictionjournal.bsky.social @rcpsych.bsky.social
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Reposted by Prof Harry Sumnall
Liverpool John Moores University @ljmuofficial.bsky.social · 24/06/2025
Great to see @bbcnewslive.bsky.social covering this vital research from LJMU and @womensaid.bsky.social which highlights that domestic abuse services in Merseyside are overstretched, with 117,000 affected annually. Read more ➡️ www.bbc.co.uk/news/article...
bbc.co.uk
Study shows 110k people affected by domestic abuse on Merseyside
A report finds support services in the region are overstretched and need stable, long-term funding.
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Reposted by Prof Harry Sumnall
Peder Clark @pederclark.bsky.social · 23/06/2025
new chapter from me on the folk legend around Ecstasy and football-related violence (or "hooliganism", if you prefer) rdcu.be/esUdJ
rdcu.be
The “love thugs”: Ecstasy, Homosociality, and the Decline of Football-Related Violence in 1990s England
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Prof Harry Sumnall @profhrs.bsky.social · 22/06/2025
Tony Seddon provides a whistle stop tour of key points in UK cannabis policy history, including the little known fact that the development of the MDA1971 was intended as a more progressive and consistent approach to drug control.
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Philip A. Berry @drphilipaberry.bsky.social · 20/06/2025
China has announced it is scheduling the entire class of nitazene-related substances. It will be interesting to see how this, if at all, impacts #nitazene supply. www.chinadaily.com.cn/a/202506/19/...
chinadaily.com.cn
China to regulate all nitazene-related substances
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Prof Harry Sumnall @profhrs.bsky.social · 11/06/2025
Very sad to read the news about Peter Krykant. I only met him once, but his passion and commitment shone through. www.dailyrecord.co.uk/news/peter-k...
dailyrecord.co.uk
Peter Krykant dies suddenly as tributes paid to pioneering Scots drugs reformer
Krykant, who battled addiction issues, was found dead at home in Falkirk. He inspired many to regard addiction as a health issue and paved the way for state-backed safe drug consumption areas
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Reposted by Prof Harry Sumnall
Andrew McAuley @arjmcauley.bsky.social · 11/06/2025
In a sea of misleading articles and headlines today it falls to the Daily Record to provide some much needed perspective: www.dailyrecord.co.uk/news/scottis...
dailyrecord.co.uk
Scotland’s safe consumption room is just the start of the fight
Record View says the opening of one safe consumption room in one city was never going to solve in 12 weeks what remains a nationwide public health emergency.
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Owen Bowden-Jones @owenbowdenjones.bsky.social · 10/06/2025
JUST ADVERTISED: interested in the interface between science and drug policy? Then why not apply to be the next Chair of the ACMD. Closes July 14th. apply-for-public-appointment.service.gov.uk/roles/8838
apply-for-public-appointment.service.gov.uk
Appointment details – Chair of the Advisory Council on the Misuse of Drugs (ACMD) – Apply for a public appointment – GOV.UK GOV.UK
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Prof Harry Sumnall @profhrs.bsky.social · 07/06/2025
Good points from Gavin. Courts might be clogged, but not through cannabis possession offences
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