Generally speaking, I'd say prioritize time unplugged and see what happens.
Get out of the city and all of the light pollution. Put down the phone and turn off the screens. Either be alone or surround yourself with loved ones.
Spend time looking at the stars, sitting around a fire, be okay with silence other than what nature provides, cook something that's not quick and easy and wrapped in plastic, listen more than you speak, listen to your body (is your body inflamed, do you sleep well, are you flexible and strong enough for the activities you do/want to be doing, etc.), think about what's important to you and what you would prioritize.
We are all different and thus have different needs. So it can be tricky to proscribe specific cure-alls but we're all human with the same basic programming. I tend to think that since the majority of this programming stems from a pre-modern time, that we need to provide mental, social, emotional, physical, and even spiritual maintenance in ways that would resonate with our ancestors. To me, a good chunk of this means making sure you are balanced and connecting with nature, yourself, and your family/friends/community. Don't take modern shortcuts ALL the time. The deeper connections become severed. Easier to maintain than to re-establish.
You are asking for what to be aware of to avoid - but I think it's easier to find what works for you as an individual and surround yourself with that. Or at least, what to seek out can be just as helpful (if not more so) than what to avoid. That is, rather than just bypassing the known causes/symptoms of human suffering, maybe try challenging your own status quo and reaffirming what makes you tick. We're incredibly complicated beings who change over time. What worked for you as a teen might not work when you're 25, 35, etc.
I've never heard anyone come back from a retreat, a camping trip, a long hike, canoe excursion, bonfire, a big party, etc. saying they can't wait to get back out in the world and buy a new car every 2 years or get back into their inflammatory diet or whatever they were doing before that wasn't ideal and they are aware of it.
Also, where you live matters. Set yourself up to succeed, not fail when it comes to connecting (in whatever you see fit). So to some this means needing to live somewhere that nature is accessible, or their network of humans/civic-connectedness is strong enough in a particular area, etc. Lot more to life than a job or which school district happens to have a healthy tax base at a given time. Then again, I'm not a workaholic or someone whose job basically IS a big chunk of their social life (or the reason for the lack thereof) and not a parent so my priorities are skewed to what works for me. YMMV