International Travel Medicine Center of Iran International Journal of Travel Medicine and Global Health 2322-1100 14 3 2026 09 01 A Comprehensive Review of the Effects of Fasting on Physical Performance and Health Capacity of Travelers during Long-Duration Journeys: Physiological, Psychological, and Adaptation Mechanisms 157 160 247028 10.30491/ijtmgh.2025.545070.1504 EN Mohammad Mahdi Ebrahimi National Defense University, Tehran, Iran Amir Mohammad Sorouri Department of Veterinary Medicine, Science and Research Branch. Islamic Azad University, Tehran, Iran Saman Boostani Department of Veterinary Medicine, Science and Research Branch. Islamic Azad University, Tehran, Iran 0009-0000-6252-1272 Mohammad Reza Heydari Department of Veterinary Sciences, Shabestar Branch, Islamic Azad University, Shabestar, Iran 0009-0003-4837-4298 Journal Article 2025 05 04 This comprehensive review article explores the multifaceted effects of fasting on the physical performance and health capacity of travelers during long-duration journeys. As travel becomes increasingly common, understanding the physiological and psychological implications of fasting is crucial for optimizing health outcomes. The review synthesizes existing literature on the physiological adaptations that occur during fasting, including metabolic shifts, energy utilization, and hydration status. Additionally, it examines the psychological effects, such as mood alterations and cognitive performance, which can significantly impact a traveler's experience. The article further discusses adaptation mechanisms that enable individuals to maintain physical performance while fasting, highlighting strategies for effective fasting practices during extended travel. By providing insights into the interplay between fasting, physical performance, and health capacity, this review aims to inform travelers and health professionals about the potential benefits and challenges associated with fasting in the context of long journeys. Fasting physical performance Health Capacity Long-Duration Journeys adaptation https://www.ijtmgh.com/article_247028_2ad7b0a6b47cfd0088706ac5cb0adb43.pdf