Heart rate response and recovery during exercise predict future delirium risk-A prospective cohort study in middle- to older-aged adults.

"Competing interests FAJLS has received lecture fees from Bayer HealthCare 2016, Sentara HealthCare 2017, Philips 2017, Vanda Pharmaceuticals 2018, and Pfizer Pharmaceuticals 2018. MKR has received consulting fees and speaker fees from NovoNordisk and consulting fees from Cell Catapult. The authors declare that they have no other competing interests."

"This research has been conducted using the UK Biobank Resource under Application Number 40556. LG is funded by National Institutes of Health (NIH) Grant R03AG067985 and the Foundation for Anesthesia Education and Research. PL is funded by the BrightFocus Foundation Alzheimer's Disease Research Program (A2020886S). KH is funded by NIH Grants RF1AG059867 and RF1AG064312. FAJLS is funded by NIH Grant R01HL140574. The organizations mentioned above had no direct input on any aspect of this work."