This document discusses non-communicable diseases (NCDs), which include cardiovascular diseases, cancer, diabetes, and chronic respiratory diseases. NCDs are the leading cause of death worldwide, responsible for over 36 million deaths annually. The main risk factors for NCDs are unhealthy diet, tobacco use, physical inactivity, and obesity. While genetics and family history can increase risk, behavioral and environmental risk factors can be modified to help prevent around three-quarters of NCD-related deaths through a healthy diet, regular exercise, and medical checkups. NCDs cannot always be cured but can be controlled and prevented through effective interventions targeting risk factors.