I don’t have a source for the efficacy, but I’ve been doing rice bucket training, which seems to help, at least in the short term. I think the idea is that RSI is often caused by or exacerbated by muscle imbalances in the hand, so working the muscles you don’t use for computer work can alleviate and prevent problems.

I enjoyed Prof Wolff’s podcast for a good long while, but his lectures are always so much better. I’ll need to look up the Iroquois economic system sometime - that sounds downright fascinating