This report discusses the role of public health in health and social care, including the identification of health levels and diseases, epidemiology, and strategies for disease control. It explores current priorities and approaches to providing services for people with diseases or illnesses, the relationship between disease prevalence and service requirements, and the impact of lifestyle on future health needs. It also examines health and well-being priorities, the effectiveness of strategies and policies, and changes that can be made to improve health and well-being.