监狱改革基金会：2026年内心年轻：年轻人在长期监禁中的转变报告（英文版）

Young adults sentenced to long periods of imprisonment face a distinct set of challenges shaped by their stage of development, prior life experiences and the length of time they will spend in custody. This report draws on in-person consultations with 41 young adult men serving long sentences across four prisons in England and Wales, alongside written contributions and existing evidence, to explore how young adults experience the early stages of long-term imprisonment and how this shapes their