Mental illness and drug/alcohol addiction are highly correlated. But read the SF survey linked twice in this thread. It's got lots of actual answers. The homel

Mental illness and drug/alcohol addiction are highly correlated. But read the SF survey linked twice in this thread. It's got lots of actual answers. The homeless you see on the street are not really representative of the problem. There's a bigger population of precariously housed people who cycle in and out of homelessness.