1. Behavioral Factors: Actions or lifestyle choices that increase disease risk, such as smoking, poor diet, and lack of physical activity. 2. Environmental Factors: External elements like pollution, climate change, and exposure to toxic substances. 3. Genetic Factors: Inherited traits that may predispose individuals to certain conditions, such as BRCA gene mutations increasing the risk of breast cancer. 4. Social Factors: Conditions related to social determinants of health, including socioeconomic status, education, and access to healthcare.