This case study analyzes a 55-year-old man presenting with chest pain, diagnosed with angina, a symptom of coronary artery disease (CAD). The assignment delves into the patient's symptoms, medical history including hypertension, diabetes, hyperlipidemia, and family history of myocardial infarction. It explores the likely diagnosis, clinical classification, and the causes of angina, primarily reduced blood flow to the heart muscle due to CAD. The study identifies risk factors such as unhealthy cholesterol levels, high blood pressure, diabetes, smoking, age, sedentary lifestyle, family history, and obesity. The assignment recommends lifestyle changes like a heart-healthy diet, quitting smoking, physical activity, and stress management. Finally, it discusses public health approaches to reduce angina, such as reducing salt in processed foods and food labeling.