The document discusses failure to thrive (FTT) in children, defining it as inadequate physical growth compared to peers, with risk factors ranging from medical to psychosocial. It categorizes FTT into organic, non-organic, and mixed types, while detailing the epidemiology, clinical manifestations, and methods for assessment. Additionally, it outlines the approach to diagnosing and managing FTT, emphasizing the importance of observing growth patterns and related factors.