This document outlines causes that negatively impact young people's studies, including lack of time management skills, over-competitiveness, and family pressures. It discusses how some students spend too much time on leisure and do assignments last minute, feeling tired in class. Others are overworked due to academic competition and tuition classes. Family pressures like chores after school can cause stress and demotivation. The document recommends better time management, balance between work and leisure, and family support to address these issues.