Homelessness is not a single problem but a manifestation of at least half a dozen different underlying problems, including mental illness, substance abuse, hous

Homelessness is not a single problem but a manifestation of at least half a dozen different underlying problems, including mental illness, substance abuse, housing policy, and personal choices. It's very, very complicated. Source: I spent four years hanging out with homeless people and made a documentary film about the experience: http://graceofgodmovie.com/ http://graceofgodmovie.com/