“As with all social service projects, a lexicon of terms accumulated around the Housing First movement. Permanent Supportive Housing (PSH) described the movement’s general aim and means, and a model program conducted in the 1990s in New York had shown that housing for chronically homeless people could indeed be long-lasting and beneficial, provided they received adequate support. This trial—The Consumer Preference Supported Housing Model (CPSH)—had involved 242 people who suffered from either mental illness or substance abuse or both. The model had housed them, via various grants and public subsidies, in apartments situated in “affordable locations throughout the city’s low-income neighborhoods.” And they had been supported by Assertive Community Treatment (ACT) teams, somewhat modified from the general prototype, but substantial. These included nurses, social workers, drug counselors, administrative assistants, and “peer counselors,” who directed the support services with the advice and consent of the tenants. Each team had access to psychiatrists and other professionals, and each stood ready to help the tenants every night and day of the week. After five years, 88 percent remained housed—a remarkable result.”