Which level of prevention focuses on controlling the chronic effects of a health issue that has already occurred?

A. Tertiary prevention aims to minimize the impact of long-term disease and disability through rehabilitation and specialized management. This level of care focuses on helping individuals with chronic conditions achieve their highest possible level of functioning and quality of life. Examples include physical therapy for stroke victims or chronic disease management programs for patients with congestive heart failure. B. Quaternary prevention is a specialized concept focused on protecting patients from medical over-intervention or unnecessary healthcare procedures that could cause more harm than good. It is an ethical approach to medicine that prevents "medicalization" rather than focusing on the chronic effects of a pre-existing disease. It is not one of the three traditional levels of public health prevention. C. Secondary prevention focuses on early detection and prompt intervention to limit the severity of a disease shortly after it has begun. This level includes screening programs, such as mammograms or blood pressure checks, aimed at identifying asymptomatic individuals who may have early-stage illness. It targets the subclinical phase of disease rather than the management of established, chronic complications or permanent disabilities. D. Primary prevention involves health promotion and specific protection measures taken before any disease process has actually started. The goal is to reduce the incidence of disease by addressing risk factors and increasing host resistance through methods like immunizations or nutritional education. This level of care occurs entirely in the pre-pathogenesis phase and does not address established chronic health issues.