For the general reader
Social Isolation, Loneliness and Health
World Health Organisation
https://www.who.int/teams/social-determinants-of-health/demographic-change-and-healthy-ageing/social-isolation-and-loneliness
US Centers for Disease Control and Prevention (CDC)
https://www.cdc.gov/aging/publications/features/lonely-older-adults.html
Loneliness across the lifespan (it's not just related to ageing)
https://www.nationalelfservice.net/populations-and-settings/loneliness/loneliness-across-lifespan/
Sydney apartment dwellers
https://www.smh.com.au/national/more-than-half-of-apartment-dwellers-would-not-invite-a-neighbour-into-their-home-20210910-p58qj1.html
How exercise enhances ageing brains (collateral benefits of the program)
https://www.nytimes.com/2021/03/03/well/move/exercise-aging-brains.html
Social isolation and dementia
https://neurosciencenews.com/social-isolation-dementia-20890/
Formal Research
Holt-Lunstad, Julianne, Timothy B. Smith, Mark Baker, Tyler Harris, and David Stephenson. "Loneliness and social isolation as risk factors for mortality: a meta-analytic review." Perspectives on psychological science 10, no. 2 (2015): 227-237.
https://doi.org/10.1177%2F1745691614568352
Matthew Pantell, David Rehkopf, Douglas Jutte, S. Leonard Syme, John Balmes, Nancy Adler, “Social Isolation: A Predictor of Mortality Comparable to Traditional Clinical Risk Factors”, American Journal of Public Health 103, no. 11 (November 1, 2013): pp. 2056-2062.
https://doi.org/10.2105/AJPH.2013.301261
Crowe CL, Domingue BW, Graf GH, Keyes KM, Kwon D, Belsky DW. "Associations of Loneliness and Social Isolation With Health Span and Life Span in the U.S. Health and Retirement Study"', J Gerontol A Biol Sci Med Sci. 2021 Oct 13;76(11):1997-2006.
https://doi.org/10.1093/gerona/glab128
Hincapié-Sánchez, María Fernanda et al. “Characterization of dance-based protocols used in rehabilitation - A systematic review.” Heliyon vol. 7,12 e08573. 9 Dec. 2021. https://doi.org/10.1016/j.heliyon.2021.e08573
While not directly related to dance, the following study supports the effectiveness of group activities with group/community involvement in addressing isolation.
Cattan, Mima, Martin White, John Bond, and Alison Learmouth. "Preventing social isolation and loneliness among older people: a systematic review of health promotion interventions." Ageing & society 25, no. 1 (2005): 41-67.
https://doi.org/10.1017/S0144686X04002594
Trauma Informed Practice
From the Wisconsin Department of Health Services: Trauma Informed Practices
https://www.dhs.wisconsin.gov/resilient/trauma-informed-practices.htm
From Sydney University's Faculty of Medicine and Health: the hidden epidemic of trauma in Australia
A Community Development Approach
"What is Community Development?" from the Scottish Community Development Centre
https://www.scdc.org.uk/who/what-is-community-development
A community development handbook from the Louisiana Community Network