Acknowledgments

We thank the contributors of the Alzheimer’s Disease Genetics Consortium and other publicly available GWAS datasets. Special thanks to the reviewers for their constructive feedback, which greatly improved the manuscript.

Data availability

This study utilised publicly available GWAS datasets. All data generated or analysed during the study are included in this published article and its supplementary materials. Supplementary materials are available in the following repository: https://doi.org/10.7910/DVN/YNPBK3.

Code availability

The code used to perform the MR analyses is openly available at the following GitHub repository: https://github.com/xuqiuhan/Mendelian-randomization-analysis-of-gestational-diabetes-mellitus-and-dementia.git.

Funding

This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

Authors’ relationships and activities

The authors declare that there are no relationships or activities that might bias, or be perceived to bias, their work.

Contribution statement

Both authors made substantial contributions to the study. Q-HX was responsible for the conception and design of the study, as well as the acquisition, analysis, and interpretation of data. Y-JH contributed to the analysis and interpretation of data, and drafted the manuscript. Both authors critically revised the manuscript for important intellectual content. Both authors approved the final version of the manuscript to be published. Q-HX is the guarantor of this work.