Two topics that might work for either purpose could be dietary links to depression and the other would be links of depression to specific fears (such as animal fears).
Awareness, determinants and deterrents of suicide among adolescents. ( you choose an appropriate and convenient study population) or Teenagers and suicide: determinants and deterrents.
Knowledge, determinants and deterrents of depression among adolescents. Or Depression among teenagers: determinants and deterrents. ( You can chose your study population to suit you and also tinker with the topics to suit you.
Correlation between substance abuse and depression among(chose a study population)
I would start with definitions and looks at what people understand by "depression" using "Social Construct Theory". The concept of Depression is seen differently by public and professionals. Understanding how people conceptualize it is the first place to start to manage it.
Methods: Discussion Groups, Questionnaire. Especially what are the Social Constructs they associate with depression.
Hello. It depends on how broad or narrow you would like your research to be, but one suggestion is to explore the relationship between depression and chronic diseases such as hypertension and diabetes in a certain race or people from a certain area/region. If you do this topic, I would also suggest that you look at the relationship both ways (two-tailed). Good luck!
It depends on your interesting or your expertise. I would start with the situation of depression in the country and focus on target groups who have depression.