Which factor has the most measurable effect on the prevalence of mental illness?

Question

Quizplus · Accepted Answer

Mental illness is complex and can be influenced by a combination of genetic, environmental, and social factors. While discrimination, placement in foster care, and exposure to violence can all be significant contributors, there are many other factors that can also impact mental health. It is difficult to isolate one specific factor as having the "most measurable effect" on the prevalence of mental illness.

Which Factor Has the Most Measurable Effect on the Prevalence