Resting heart rate causally affects the brain cortical structure: Mendelian randomization study.

"Conflict of interest statement: The authors declare that they have no competing interests."

"Funding This study was supported by the National Natural Science Foundation of China (No. 81070125, 81270213, 81670306); the Science and Technology Foundation in Guangdong Province (No. 2010B031600032, 2014A020211002); the National Natural Science Foundation of Guangdong Province (No. 2017A030313503); the Science and Technology Foundation in Guangzhou City (No. 201806020084); the Fundamental Research Funds for the Central Universities (No. 13ykzd16, 17ykjc18); the Futian District Health and Public Welfare Research Project of Shenzhen City (No. FTWS2019001, FTWS2021016, FTWS2022026, FTWS2023064); and the Shenzhen Fundamental Research Program (No. JCYJ20190808101405466, JCYJ20210324115003008, JCYJ20220530144404009)."