Also for early career, I think that is the time to try things like adjunct teaching because the tradeoff is likely less economically impactful. You (I think?) and I are just past "early career" so the cost is greater because we have other avenues to generate revenue and we are comfortable with the areas we work in that making any big changes like adjusting scheduling to teach a class can be more of a PITA. As I mentioned earlier, I'm much more likely to give a one-off lecture on a topic of interest than I am to teach an entire course on it, as I've learned that the "benefits" to me are the interaction and enjoyment of lecturing, not the money. The economic impact is mitigated by being a one time thing, and I already know some of the challenges (for me) teaching a class would be at this point in my career. I don't have the patience to deal with students nor any administrators, so I actively avoid that scenario.
@hum1 may find a benefit in the experience, the side $, and to have an opportunity to educate the next generation of clinicians. Something else not touched on yet is developing multiple slide decks on a given topic provides a nice opportunity to tweak and expand into a conference talk, community talk, or even a marketing tool. While putting together slide decks there is probably information that is more appropriate for practicing clinicians that can be put aside for future use. I'll make extra slides that I put at the end of a given presentation, or I have the "extra" slides saved in the same cloud directory because I know I'd likely use them later.
One real-life example is I had multiple slide decks about all types of brain injuries I made during fellowship for resident talks and grand rounds. The prevalence data slides and basic definitions could be pulled directly into a slide deck for a community presentation on head injury. I've used some of those same slides for a conference talk, and a number of years later I use them now to educate lawyers about TBI. Sure, there are some data and citations I needed to update, but a lot of that information hasn't changed. Being able to re-organize and re-use slides has cut down on the opportunity cost for me, and allowed me to also use materials I know well. I can probably give the conference talk right now using that slide deck and do a pretty decent job because the information hasn't radically changed, but to the end-user, it is still helpful. I know I can do it for my lawyer talks because I've been asked to give talks on short/no notice and just grabbed a version of a slide deck and did my thing.
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Do you know how I know that I'm old...I'm using the term "slide decks". I don't know if the kids these days call them that, but powerpoint presentations are an easy tool while lecturing. They also help keep me on track because I can go down some random rabbit holes and cite various articles, but they may not be what I meant to cover.