N-lactoyl-phenylalanine as a possible biomarker of cognition? Association between neuroproteins, cytokines, body composition, physical fitness and cognitive function in older adults. - Jost Z; Chroboczek M; Skurewicz-Palicka M; Sawicka A; Deptuła M; Zawrzykraj M; Laskowski R; Olek RA; Radák Z; Kujach S (GeroScience, 2026)