A "Risk Factor" is a characteristic or condition that increases the likelihood of developing a disease or injury. For example, factors such as age, genetics, lifestyle choices, and environmental influences can all contribute to a person's overall risk. Understanding these factors helps in identifying individuals who may be more susceptible to certain health issues. In public health, identifying risk factors is crucial for prevention strategies. For instance, smoking is a well-known risk factor for lung cancer, while high blood pressure can increase the risk of heart disease. By addressing these risk factors, individuals and healthcare providers can work together to reduce the chances of adverse health outcomes.