We are the interdisciplinary partnership of leading social and biomedical longitudinal population studies, the UK Data Service and The British Library.

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16 January 2023
Older builder fixes his drill

Health and Employment After Fifty study joins CLOSER Discovery

Researchers can now explore data from the Health and Employment After Fifty (HEAF) study in CLOSER Discovery – the UK’s most detailed research tool for longitudinal population studies. 

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15 December 2022
Balloons of the number 10 surrounded by colourful confetti

From CRF to CLOSER – charting the first 10-years of the home of longitudinal research

In our first ever ‘long-read’, Rob Davies marks our 10-year anniversary with a look back over the past decade and how we’ve evolved from the early days of the Cohort Resources Facility into CLOSER, the home of longitudinal research.

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Monthly spotlight

Harmonised dataset: Mental health measures

Learn more about our harmonised mental health measures dataset featuring measures of pre-adolescent characteristics collected at age 10/11.

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Maximising the use and impact of the UK’s longitudinal research data

A new IoE, UCL's Faculty of Education and Society blog takes a look back over the past 10 years at the evolution of the home of longitudinal research.

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Learning Hub: Teaching datasets

Explore our teaching dataset and suggested exercises to help you get to grips with analysing data from longitudinal population studies.

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Upcoming event


Register now: Introducing longitudinal population studies from a biomedical science perspective: 1958, 1970, 1989-90 and 2000-01 birth cohorts

07 Mar 2023

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Research spotlight

COVID-19 Research Tracker

Explore the longitudinal research published investigating both the immediate and long-term impacts of the COVID-19 pandemic.

Living with dementia during COVID-19

Watch ELSA's new animation about their project examining the experience of people with mild cognitive impairment or dementia during the COVID-19 pandemic.

Mental health and financial hardship during COVID-19

Research using the 1958 and 1970 British birth cohorts suggests poor mental health doubled the likelihood of experiencing financial hardship during the pandemic.

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