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First-year medical students show increased BMI and stress, decreased motivation during academic yearDo first-year medical students gain weight and lose motivation to move during their studies?

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Key Takeaway
Consider monitoring lifestyle and stress in medical students during training years.

This longitudinal observational study followed 189 first-year medical students at Link Campus University in Rome, Italy, from November 2024 to June 2025. Of the initial cohort, 87 students completed all surveys. The study examined changes in lifestyle behaviors and psychological well-being during the academic year, using baseline assessments at the beginning of the year as the comparator.

Key findings showed a statistically significant increase in BMI (p=0.009), though absolute numbers and effect sizes were not reported. Volitional facilitation for physical activity significantly declined (p=0.020), and perceived stress increased (p=0.009). Psychological well-being worsened, though no p-value was reported for this outcome. Physical activity levels and Mediterranean diet adherence showed no significant changes.

Safety and tolerability data were not reported. The study had several limitations: it was observational, so causality cannot be established; it relied on self-reported measures; and there was substantial attrition with only 87 of 189 students completing all surveys. Funding sources and conflicts of interest were not reported.

For clinical practice, these findings underscore the importance of monitoring and potentially intervening to support healthy lifestyle behaviors among medical students during their training. However, the observational nature and single-site design limit generalizability, and the lack of absolute effect sizes makes clinical interpretation challenging.

Imagine starting a new job and suddenly feeling less like yourself. That is what happened to 189 first-year medical students in Rome during the 2024-2025 school year. Researchers watched them closely from the very first day until the final exam. They wanted to know if the pressure of becoming a doctor changes how students eat, move, and feel mentally.

By the time the school year ended, the results were clear. The students had gained weight, and their drive to stay active had faded. Their stress levels climbed, and their sense of well-being took a hit. Interestingly, they did not move less physically, but they stopped wanting to. This shift in motivation is a warning sign that the environment itself might be working against them.

This study did not prove that medical school causes these changes, but the link is strong. The data shows that even bright, healthy young people struggle to keep their habits when training gets tough. Without help, these students might carry these bad habits into their future careers as doctors.

The takeaway is urgent. Medical schools need to build support systems that help students keep their healthy lifestyles. If we do not act now, the next generation of doctors might arrive at the hospital already struggling with the very health issues they are trained to treat.

What this means for you:
Medical training may quietly increase weight and stress while killing motivation to exercise.

Study Details

Study typeCohort
EvidenceLevel 3
PublishedApr 2026
View Original Abstract ↓
Despite being educated in a health-oriented environment, medical students are vulnerable to developing unhealthy habits that may compromise their well-being and future professional effectiveness. This study aimed to assess changes in lifestyle behaviors and psychological well-being among first-year medical students over one academic year. A longitudinal observational study was conducted on a cohort of 189 first-year medical students at Link Campus University (Rome, Italy). Assessments were performed at the beginning and end of the academic year (November 2024–June 2025). A total of 87 students completed all surveys. Measures included self-reported anthropometric data, the Mediterranean Diet Adherence Screener (MEDAS), International Physical Activity Questionnaire (IPAQ), Volition in Exercise Questionnaire (VEQ-I), Perceived Stress Scale (PSS-10), WHO5 Well-Being Index, and the Psychological General Well-Being Index (PGWBIS). Statistical analyses included paired t-tests or Wilcoxon signed-rank tests, and correlation analyses using Spearman's coefficients. Of the total of sample, 102 students were female (65%) and 55 were male (35%), with median age was 19.8 years old. At follow-up, a statistically significant increase in BMI was observed (p = 0.009). No significant changes were found in physical activity levels or Mediterranean diet adherence. However, volitional facilitation for physical activity significantly declined (p = 0.020), indicating reduced motivation. Psychological well-being worsened across the academic year, with increased perceived stress (p  Over the course of one academic year, medical students reported moderate levels of perceived stress and average emotional and psychological well-being. Despite increasing psychological strain, students maintained a stable core of eating behaviors, suggesting a remarkably resilient and structured dietary pattern. Nevertheless, they exhibited a predictable decline in psychological well-being during examination periods, accompanied by a reduction in motivation for physical activity and modest weight gain. Overall, these findings underscore the importance of targeted interventions within medical education to promote and sustain healthy lifestyle behaviors during the early stages of academic training.
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