How Dangerous Is Loneliness, Really?

The video explores the concept of loneliness, differentiating it from social isolation and discussing its evolutionary role. It highlights the prevalence of loneliness among adolescents and the elderly, and its potential to be contagious. The health impacts of loneliness, such as increased stress, higher cortisol levels, and heart disease, are examined. The video also explains the mechanisms behind these effects and offers strategies to counter loneliness, including group activities, volunteering, and pet therapy.

What new insight or understanding did you gain from this video?