Hiv/aids has ravaged populations around the world. part of the challenge in treatment and prevention hinges upon a clear understanding of local culture in the population under duress. that is, different approaches will work differently in different places. the practice of studying these differences is known as
a) sociology.
b) epidemiology.
c) alternative medicine.
d) cultural competence.

Epidemology

Explanation:

Epidemology can be defined as the study and analysis of the distribution basically who, when and where patterns of the disease in the defined populations.

The epidemologists help with the study  design, collection and analysis of data and dissemination of the results.

It helped in finding out that HIV/ AIDS has ravaged population all over the world.

fitness healthcare agent

answer is b

  a   having low self-esteem

  b   having abusive family members

  c   having poor school attendance

  d   having friends who discuss gang life

living torture and being abused makes one not mind harming other people.

and also not being supported and abusing one turns one into this state.