RT Journal Article T1 Impact of Exams on Diet, Physical Activity, and Body Composition in University Students A1 Mudarra García, Natalia A1 Pérez Mudarra, Marina A1 Ostuño Soriano, Ismael A1 Badía Iborra, Raquel A1 Vicente Galán, María Jesús A1 Zaragoza García, Ignacio A1 Roque Rojas, Fernando A1 García Sánchez, Francisco Javier AB Background: Bad dietary habits and sedentary lifestyles alter body composition, increasing disease risk. Methods: We conducted a prospective, comparative, longitudinal observational study among nursing students from Complutense University of Madrid. Data were collected in two periods: before exams (January 2024) and during exams (May 2024). Body composition was assessed via bioimpedance (Beurer BF 1000), dietary habits through the modified Kidmed survey, and physical activity using the IPAQ. Results: During exam preparation, fat mass significantly increased (25.43% to 28.79%, p = 0.016), muscle mass significantly decreased (39.70% to 36.20%, p < 0.001), and visceral fat rose notably (2.34 to 3.52, p < 0.001). Students exhibiting poor dietary quality increased (54.2% to 80.0%, p < 0.001), vigorous physical activity dramatically decreased (84.7% to 11.1%, p < 0.001), and sedentary time increased significantly (408.24 to 543.61 min/day, p < 0.001). Conclusions: Our findings suggest dietary deterioration and reduced physical activity during exams adversely affect students’ body composition. PB MDPI YR 2025 FD 2025-06-04 LK https://hdl.handle.net/20.500.14352/122095 UL https://hdl.handle.net/20.500.14352/122095 LA eng NO Mudarra-García, N.; Pérez-Mudarra, M.; Ortuño-Soriano, I.; Badía-Iborra, R.; Vicente-Galán, M.J.; Zaragoza-García, I.; Roque-Rojas, F.; García-Sánchez, F.J. Impact of Exams on Diet, Physical Activity, and Body Composition in University Students. Nutrients 2025, 17, 1929. https:// doi.org/10.3390/nu17111929 NO Fundación IDIPHISA DS Docta Complutense RD 23 dic 2025