Heavy drug and alcohol use degrades the health of homeless people. Drug overdose is the leading cause of death among the homeless.44 Skin infections and disease are more common due to injecting drugs like heroin and meth. Respiratory diseases are common due to smoking tobacco, crack, heroin, fentanyl, and meth.45 And about two-thirds of the time of hospital emergency departments in San Francisco is spent serving the homeless.46 Social
