Describe the life style disease/behavior and explain factors that contribute to the disease.

Answer 1

Which disease?

Answer 2

Hiv and aids

Answer 3

http://www.mayoclinic.com/health/hiv-aids/DS00005/DSECTION=causes

http://www.livescience.com/21946-hiv-aids.html

http://www.nhs.uk/Conditions/HIV/Pages/Causes.aspx