You left off the key part of the sentence: "for families." For single adults, substance abuse was the most oft-cited cause (68% of cities). See page 19 of: http

You left off the key part of the sentence: "for families." For single adults, substance abuse was the most oft-cited cause (68% of cities). See page 19 of: http://www.ncdsv.org/images/USCM_Hunger-homelessness-Survey-in-America's-Cities_12%202008.pdf http://www.ncdsv.org/images/USCM_Hunger-homelessness-Survey-...