[ed-209]

Better question: how out of touch must one be with themselves for this to even be a question?

[lonelappde]

The mark of an intellectual is curious mind is to investigate even things that seem obvious, to understand their nature.

[rofo1]

This is not obvious at all, especially the effects on health.

Mental health - ok, that might be something that you can deduce based on examples (grumpy old solo grandpa that yells in the air - mental issues).

But can you really conclude just from common sense that human relationships have effect on your _physical health_?