Nicotinamide riboside supplementation restores microglial health and improves cognition in aged male mice. - Thiyagarajan R; Muthaiah R; Sreevelu B; Treanor OP; Redae Y; Berman R; Davis AL; Yellapu N; Rosario SR; Chaves LD; Seldeen KL; Troen BR (GeroScience, 2025)