- https://www.cdc.gov/aging/publications/features/lonely-older-adults.html
- https://www.rtor.org/2020/12/10/the-link-between-loneliness-and-substance-abuse/
- https://www.kff.org/report-section/loneliness-and-social-isolation-in-the-united-states-the-united-kingdom-and-japan-an-international-survey-introduction
- https://www.health.harvard.edu/mind-and-mood/meditation-eases-loneliness
- https://www.psycom.net/how-social-media-increases-loneliness/