“…Studies of quarantine have found that individuals struggle to adapt to a way of life incongruent with humans' social nature (Brooks et al, 2020), and report a range of negative psychological reactions to quarantine, including loneliness (DiGiovanni et al, 2004;Lin et al, 2010). In non-pandemic contexts, geographical isolation, living alone, and lack of social engagement predicts loneliness in adult and older adult populations (Beutel et al, 2017;Cohen-Mansfield et al, 2016;Luo et al, 2012;Menec et al, 2020;Savikko et al, 2005;Theeke, 2009;Victor & Bowling, 2012). Limited social interaction is a particularly important risk factor for loneliness among younger people (Matthews et al, 2016;Victor & Yang, 2011).…”