This document discusses the concepts of disability, illness, and behavior in relation to health and social care service users. It analyzes how the perceptions of specific needs have changed over time and the impact of legislation, social policy, society, and culture on the availability of services for individuals with specific needs. It also evaluates the care needs of individuals with specific needs, current systems for supporting them, and the services available in a chosen locality. Additionally, it explains the approaches and interventions available to support individuals with specific needs, discusses the effectiveness of intervention strategies, and explores the potential impact of emerging developments on support for individuals with specific needs. Finally, it explains different concepts of challenging behavior and analyzes strategies for working with challenging behaviors.