In this episode, Carina discusses the concept of detraining and how quickly fitness can be lost after a break from running. She explores the different aspects of fitness that are affected, including cardiovascular, muscular, and soft tissue health. The conversation emphasizes the importance of understanding the science behind detraining, the emotional impact of injury, and the significance of taking downtime to recover properly. Carina shares insights on how to safely return to running after a break and encourages listeners to embrace their comebacks as opportunities for growth.