The research highlights how loneliness is not simply a matter of lacking social contact, but is linked with poorer health and reduced wellbeing more broadly. Despite many lonely individuals reporting that they had friends or relatives to count on, or were satisfied with opportunities to meet people, the association with pain remained significant, suggesting that loneliness can persist even in the presence of social connections.
Loneliness can be the result, as well as, be caused by health issues, and this sentence is super interesting because many people think that loneliness IS the lack of social contact or relationships, but that's not for all cases. It's another different perspective of how loneliness is caused, and in some cases there is not a solution, like finding friends or people to talk to.