What people do for a living, what they eat and where they live all aect their acquisition of diseases.3 Social inequalities present in both past and modern populations dene the quality of life and aect disease frequency in rich and poor; so, for example, high-status individuals have access to better diet, living conditions and medical treatment in comparison with their poorer counterparts. e type of settlement (rural or urban), its location (for example, in a marshy

1 For a thorough discussion, see, e.g., Roberts and Manchester 2005, 1-20; Roberts and Cox 2003, 2-12.