Abstract:Having a home is a basic human need. However, in any one night in Europe and the USA alone, around 1 million people are classified as homeless. This week The Lancet publishes a new two-paper Series on...Having a home is a basic human need. However, in any one night in Europe and the USA alone, around 1 million people are classified as homeless. This week The Lancet publishes a new two-paper Series on homelessness and health, led by John Geddes, Seena Fazel, and colleagues. People become homeless through a complex interaction between individual and structural factors (eg, poverty, health, substance misuse, violence, and unemployment). Homelessness can be a long-term state or a temporary transitional period related to circumstances such as domestic violence.Read More