Peripheral artery disease (PAD) is a condition where one or more arteries outside of the heart get blocked with plaques, restricting blood flow. Symptoms include calf pain and burning sensations in the legs when walking or running. PAD can be diagnosed through physical examination and ultrasound tests. Treatment options depend on the severity of the condition, including medication, and lifestyle changes such as regular exercise, smoking cessation, and a healthy diet. Adopting these healthy behaviors is crucial for managing PAD effectively and preventing future complications.