In 2023, the Wellcome Trust commissioned a global search for longitudinal datasets that may hold opportunities for transformative mental health research. This search resulted in the discovery of over 3,000 longitudinal datasets and, therefore, an impressive repository of rich data mines. We found that while these datasets could be valuable resources for research, information about them was not easily discoverable. This inspired our team of researchers based at King’s College London, our collaborators from MQ Mental Health Research, and a lived experience expert (LEE) group to create an online platform that showcases these datasets. This project, the Atlas of Longitudinal Datasets, is funded by the Wellcome Trust and launched earlier this year.

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