Extreme duration exercise affects old and younger men differently. - Frandsen, Jacob; Sahl, Ronni Eg; Rømer, Tue; Hansen, Mikkel Thunestvedt; Nielsen, Andreas Blaaholm; Lie‐Olesen, Michelle Munk; Rasmusen, Hanne Kruuse; Søgaard, Ditte; Ingersen, Arthur; Rosenkilde, Mads; Westerterp, Klaas; Holst, Jens Juul; et al. (Acta Physiologica, 2022)