For decades – heck, centuries – nostalgia has been a strong force in society. When I was a kid in the 1960s and 1970s, I loved old Universal horror films and the Marx Brothers. In the 1990s or 2000s, one of my barely-out-of-college fellow reporters surprised me once by mentioning James Dean. When I told her I was surprised she knew who the Hoosier movie icon was, the told me she’d had posters of Dean in her room at college.

So nostalgia has always been with us. Presently, look no further than all the nostalgia channels like MeTV that offer old TV shows, or modern-day series set in the past. We’re currently watching and enjoying “Call the Midwife” on Netflix, a series about, well, midwives in 1950s London (at least early on; the show moves forward in time in subsequent seasons).

Everything from “Happy Days” – which capitalized on 1950s nostalgia in the 1970s – to the History Channel – when it was less about knife-forging competitions and more about history documentaries – appeal to those of us who want to visit the past.

Make no mistake: The past, even the recent past, was not a good time for women, queer people and people of color. (Those times are hardly better now.) I always roll my eyes when people today long for “a simpler time” which usually means a time when people who looked like them were just fine and everybody else was getting the short end of the stick or worse.

So even while I’m enjoying the occasional retreat into the pop culture of the past as well as pop culture that is set in the past, before the Internet and cell phones and various threats to our way of life, I feel guilty about it.

Shouldn’t I be alert and tuned in to all the threats and transgressions we face right now? Is it advisable to dwell in the past when confronted with an uncertain future?

I bet you’re expecting me to say that it’s fine to take the occasional foray into the past for nostalgia’s sake. But I’m honestly conflicted about doing this. Yes, I know our problems will be waiting for us when we return from the depths of nostalgia, so we might as well take a breather once in a while.

But I honestly want to know: Is nostalgia the opiate of the masses, as was once said about religion? Is is deadly? Or is it a welcome relief from the walking feeling of dread of today?