Jayaraj, S., Veluri Rakesh, Annadurai, B., & Vinodhkumar Ramalingam. (2026). Association between cognitive function and physical activity among elderly persons in a selected community in Tamil Nadu, India. Bangabandhu Sheikh Mujib Medical University Journal, 19(2), e86799 . https://doi.org/10.3329/bsmmuj.v19i2.86799