Physical activity as a resistance or resilience mechanism in Down syndrome Alzheimer's disease. - Fleming VL; Peven J; Helsel BC; Ptomey LT; Clina J; Barry A; Ances BM; Handen BL; Christian BT; Laymon C; Zammit M; Head E; et al. (Alzheimer's & dementia (New York, N. Y.), 2025)