Endothelial Sirtuins and Mitochondrial Function Are Associated With Testosterone Status: Implications for Accelerated Vascular Aging in Middle‐Age and Older Men With Low Testosterone. - Nguyen, Branden L.; Kehmeier, Mackenzie N.; Babcock, Matthew C.; DuBose, Lyndsey E.; Hildreth, Kerry L.; Stauffer, Brian L.; Rosenberry, Ryan; Keller, Amy C.; Steinke, Kira; Miles, Kaleb; Guerrero, Lucas; Kohrt, Wendy M.; et al. (Aging Cell, 2026)