De Lima F, Diaw M, Nader E, Carin R, Ducray M, Coly MS, Charlot K, Marano M, Gallou-Guyot M, Diop S, Miyachi M, Yoshida T, Seck M, Samb A, Ranque B, Tripette J, Connes P. Increasing daily step counts improves physical fitness, reduces pain and arterial stiffness in sickle cell patients. Haematologica; https://doi.org/10.3324/haematol.2025.300290 [Early view].