Answer:
Behavior change interventions use various kinds of theories to target people's behavior, which they do through information, persuasion, coercion and manipulation. Empowerment is a collaborative method where those 'facilitated' participate in the change process.
It is partly genetically determined but lifestyle choices such as diet, exercise, weight, and smoking play a role as well.
Health disparities are a disproportionate number of health conditions and deaths compared with the general population i believe..
Hope it helps ; )