🎄Season’s greetings from CLS! Cohort MemBear is ready for the festive season! He'll be away from his desk, along with the rest of the team, from 5.30pm this evening. We'll be back in action from Monday, 5 January and look forward to sharing more news from the CLS cohorts in the new year with you!

Children living in damp and overcrowded homes missed three weeks more of school over the course of compulsory education than their peers in better-quality housing, finds a new study by Dr Gergo Baranyi @clscohorts.bsky.social @ioe.bsky.social. www.ucl.ac.uk/news/2025/de...

Important (but potentially not that surprising) new research on quality of housing and school abscences. Efforts to improve social mobility can't just look at what's happening in schools - they need to look at the wider circumstances a child is growing up in: cls.ucl.ac.uk/children-in-...

Children living in damp and overcrowded homes missed three weeks more of school over the course of compulsory education than their peers in better quality housing, according to new research from @ucl.ac.uk @citystgeorges.bsky.social Read more on the CLS website: bit.ly/4ahcz4V

📣 New webinar: Soon to be released data from the age 23 sweep of the Millennium Cohort Study (MCS) will help answer questions about ‘Generation Z’ in early adulthood. Join us for a first look at the highlights of this valuable data and how to use it in your research. 🔗 Book now: buff.ly/pk33dq3

📺 Our most popular training webinar ‘Getting started: An introduction to four British cohort studies’ is now available to watch on demand! Head to our YouTube channel to watch the recording and get started using the CLS cohort data👉 buff.ly/pE85JlA

The Fatherhood Institute are helping us make sure the collection of 'dad data' is tightly woven into our plans for Generation New Era - a new birth cohort study for the UK. Find out more in this new blog!

New #NextStepsStudy research shows millennials who faced family financial hardship, parents’ separation or violence in the home during childhood are more likely to have mental health difficulties in their early 30s. Read more on the CLS website - cls.ucl.ac.uk/childhood-ad...

📢Are you a researcher who works in longitudinal population studies and wants to help shape an AI training platform? Join us on 9 December for an online workshop where we’ll discuss pain points, learning needs, and the training journey. Register today: shorturl.at/HblI4

CPC-CG's @ann-berrington.bsky.social will discuss #partnership & #fertility trajectories, drawing on #BCS70 data, as part of @ucl.ac.uk #Quantitative #SocialScience & @clscohorts.bsky.social seminar series. Weds 26 Nov 13:00-14:00 Hybrid Register: www.ucl.ac.uk/ioe/events/2... @bspsuk.bsky.social

Last chance to apply! Today (Monday, 17 November) is the deadline to submit expressions of interest for joining our Scientific Advisory Network. Find out more about this exciting UK-wide opportunity and fill in the simple form here: bit.ly/4o4qyiD

🌎 This #WorldDiabetesDay, discover the harmonised data on diabetes from five UK cohort studies. Watch our training webinar to learn how the data can help enhance cross-cohort research about people’s experiences of diabetes across generations and how to use them in your analyses 👇

So lovely to see our mascot on tour! 🐻🦎

It's not long until our showpiece webinar Getting started: An introduction to four British cohort studies on Thursday, 27 November. Let's unpack why you shouldn't miss it!👇 Book now on the CLS website: buff.ly/5lEsBVp

We are delighted to announce that Professor @emlafitzsimons.bsky.social is to be the new director of the Centre for Longitudinal Studies from Monday, 1 December 2025. Prof Fitzsimons has been director of the groundbreaking Millennium Cohort Study since joining CLS in 2014. Read more: bit.ly/3Lvhjtp

🚨 Are you interested in the aspirations, opinions and voting patterns of millennials? A new and exciting dataset from the Next Steps 2019 web survey is now available to download from the @ukdataservice.bsky.social. Find out more on the CLS website 👉 buff.ly/1m0GPHL

A really exciting opportunity 👇

Out now – the new issue of the CLS Data Update! This newsletter's the one for you if you’re interested in hearing about new cohort study data, training and other free resources to support your research. Follow the link to subscribe and catch up on what you might have missed. bit.ly/4okpw1X

Want to learn more about harmonised fertility datasets in four British cohorts? Read the latest CLS working paper to find out how these data can enhance cross-cohort research on fertility and family life and how they compare with ONS statistics on fertility. Read now 👉 buff.ly/u66v1Nt

✨ Join us! We're inviting expressions of interest from experts wishing to join our Scientific Advisory Network. This is an exciting opportunity to play a vital role in shaping the scientific direction of our longitudinal cohort studies. Deadline Monday, 17 November. Find out more: bit.ly/4o4qyiD

What questions should we ask parents of new babies? Generation New Era is the first new UK-wide birth cohort study in 25 years. Our online consultation event (6 Nov) is an opportunity for researchers, policymakers & practitioners to help us with our plans. Please join us for this! bit.ly/3JiDfXQ

Thanks for a really great day!

📣 Coming soon: this flagship @clscohorts.bsky.social webinar is the best place to get started with using our unique series of UK national cohort studies. Register now 👉 buff.ly/r4ZefJC

🌞Cohort data users may find this of interest 👇

New UCL research using harmonised data from four UK cohort studies shows how cigarette smoking has declined over the past five decades. The researchers undertook the analyses to highlight the research opportunities available using harmonised data. Read more on the CLS website - bit.ly/4n6WJfI

📺 Missed our latest free training webinar? We’ve got you covered. Visit the CLS training YouTube channel to catch up on the latest recording: find out about the range of freely available polygenic scores in CLS cohorts and explore the unique research opportunities they offer. Watch: buff.ly/XXpmjf9

The CLS team (and our mascot!) had an amazing time at our Generation New Era consultation event at @edfuturesinstitute.bsky.social. Come meet us in Cardiff or Belfast for the final two of our in-person events and help shape a new birth cohort study for the UK! bit.ly/4oft9G8

Join us in Cardiff, Tuesday 14 Oct for an open consultation event to help shape the next UK birth cohort study, Generation New Era, which will follow the lives of more than 30,000 babies born in 2026. What questions do we need to ask when children are 9-11 months and at 3-4 years? bit.ly/47lsSL1

🔈 Do you want to use programming language R in your longitudinal data analyses? Take part in a two-day in-person, paid short course running on 3–4 November 2025 at UCL’s Bloomsbury Campus. Head to the UCL Online Store to find out more and register 👉

🚨 NEW DATA! Data from the Age 9-10 Months Sweep of the Early Life Cohort Feasibility Study are now available to download from the @ukdataservice.bsky.social. Find out more on the CLS website: buff.ly/PPgvUTq

Our Generation New Era open consultation events have begun! We're pleased to be joined by so many data users and early years experts today in London. Mascot Cohort MemBear has been listening to all the feedback. Next up is our Edinburgh consultation event on Wednesday, 8 October: bit.ly/3WuZXid

⏰ Reminder: send your comments on the draft questionnaire for the joint sweep of NCDS at age 68 and BCS70 at age 56 by this Sunday 5 October. Full details on our website buff.ly/1BI6Zu2

NEW DATA! Harmonised data on diabetes from five British cohorts – born in 1946, 1958, 1970 and 1989-90 and 2000-02 – are now available for the scientific community to download from the @ukdataservice.bsky.social Find out more on the CLS website – bit.ly/4nBh4ew

NEW DATA! Harmonised data on asthma from five British cohorts – born in 1946, 1958, 1970 and 1989-90 and 2000-02 – are now available for the scientific community to download from the @ukdataservice.bsky.social Find out more on the CLS website – bit.ly/48DbdQT

NEW DATA! Harmonised fertility histories of four British cohorts – born in 1946, 1958, 1970 and 1989-90 – are now available for the scientific community to download from the @ukdataservice.bsky.social Find out more on the CLS website – bit.ly/42CN0qr

🧬Exciting new genetic data release! Polygenic scores for more than 30,000 people across four CLS cohort studies are now available, making cross-cohort analyses using derived genetic measures possible. Find out more about the accessible data on the CLS website👉 buff.ly/iI8iq9n

Date for the diary! Join us online next Thursday at 13:00 (UK time) to learn more about Growing Up in Digital Europe & feed into plans for the UK pilot. This new Europe-wide study will collect internationally comparable data on children’s wellbeing. More info: bit.ly/4pl4YHs @drlisac.bsky.social

📣 New data linkage! Explore the linkage of education administrative records from Ofsted reporting in England to the Millennium Cohort Study, spanning 2005-2019. If you're at @adruk2025.bsky.social today, come chat to our team about this important linkage. 👉 Download user guide here: buff.ly/Hh3zIEI

Another exciting day at @adruk2025.bsky.social conference today! Coming up this morning, CLS colleagues @gergobaranyi.bsky.social and @rjsilverwood.bsky.social presenting. Find out why linking cohort and admin data is vital for impactful research, and why we’re a sponsor of ADR: bit.ly/4nuhsuu

🐝 It’s a hive of activity at #ADRUKConf25 Poster Session! #Admindata #innovation #research @adruk2025.bsky.social @adrwales.bsky.social @adrcni.bsky.social @scadrdata.bsky.social @saildatabank.bsky.social

📝 We are inviting comments on the draft questionnaire for the joint sweep of NCDS at age 68 and BCS70 at age 56 by Sunday 5 October. Thank you to all who contributed to the open consultation. 👉 See consultation web page for full details, including our responses to the contributions: buff.ly/NWedlQy

We’re excited to be at @adruk2025.bsky.social in beautiful Cardiff. If you’re at the conference, come visit our stall in the main entrance hall near the welcome desk. 🐻 Wishing all delegates at #ADRUKConf25 an enjoyable few days.

Fascinating new blog post by CLS researchers, Charis Bridger Staatz & @evietabor.bsky.social published today on the @lseimpactblog.bsky.social 👇

Very happy to be taking on this role. @sllshome.bsky.social is so important for our worldwide longitudinal family through the conference, journal and many wider activities. I look forward to helping it to continue to go from strength to strength.

Thanks @drmluciano.bsky.social! We're excited to get started.

We’re delighted that our Managing Director @drlisac.bsky.social has been appointed President-Elect of @sllshome.bsky.social. She will become President from the September 2026 conference. Congratulations Lisa! #SLLS2025

Celebrity spot!

We're excited to announce CLS will lead the first new nationally representative UK-wide birth cohort study in 25 years. Generation New Era will follow the lives of more than 30,000 babies born in 2026, during their early years, and potentially beyond. Read more: bit.ly/4gfttBP

We're excited for another day at @sllshome.bsky.social Conference 2025. If you're there today, do come by our stall opposite the reception desk (and see if there are any CLS chocolates left...) Find our list of CLS colleagues taking part here: bit.ly/41ICJs7 #SLLS2025

Day one of @sllshome.bsky.social #SLLS2025 - come meet our friendly team, including our mascot 🐻, at our stall opposite the reception desk. Find our list of CLS colleagues taking part here: bit.ly/4lYhdXv