Answer: Social epidemiology is the study of the causes and distribution of diseases.
Explanation: Social epidemiology studies which are the determinants of health and diseases in the world.<u> This discipline focuses on the role that social structures play in the health of individuals and populations</u>, that is to say<u> it studies how social conditions affect health levels and attract diseases. </u>Therefore, social epidemiology establishes a relationship between the distribution of social advantages and disadvantages and the distribution of health and disease.
The correct answer is rituals.
Rituals refer to religious ceremonies and practices performed by people belonging to a religion at specific prescribed times or sequences. For instance, Christians celebrate Christmas and Easter at certain prescribed times of the year, where they celebrate the birth and Resurrection of Jesus Christ. Similarly, Muslims chant certain prayers, fast and bow a fixed number of times at prescribed times of the day.