High-intensity walking in midlife is associated with improved memory in physically capable older adults.

"Declarations Ethics approval and consent to participateThis study protocol was approved by the institutional review board of the Hallym University Dongtan Sacred Heart Hospital and was conducted it in accordance with the recommendations of the current version of the Declaration of Helsinki. All participants gave informed consent. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was supported by grants from the Hallym University Research Fund (grant no. HURF-2020–56 and HURF-2022–13) and the Ministry of Science and ICT, Republic of Korea (grant no. NRF-2020R1G1A1099652). This study was also supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (grant no. RS-2023-00210820). The funding sources had no role in the study design, data collection, data analysis, data interpretation, writing of the manuscript, or decision to submit it for publication."