At the time Republicans reported much better mental health than Democrats [1]. iirc, this study was reproduced with children as well (in terms of kids raised under a political ideology).

Moreover, as someone else pointed out, watching commercial airliners fly into skyscrapers and having our world upended with military guards at airports and new governmental snooping powers that we just had to accept is all pretty much enough for the things you mentioned.

1: https://news.gallup.com/poll/102943/republicans-report-much-...