1) Key determinants of health include income, social status, social support networks, education, employment, physical and social environments, genetics, personal health practices, child development, and access to health services. 2) Low income can negatively impact health in several ways such as limiting ability to access shelter, food, and participate in society which can cause stress; lower socioeconomic status at both the individual and societal level is linked to poorer health. 3) Within Canada, those living in the poorest neighborhoods face higher risks of death from diseases like cancer, heart disease, and respiratory illnesses compared to more affluent areas. Infant mortality is also higher in low-income urban neighborhoods.