Honestly some of the most actionable and useful advice I've gotten online over the past year is  nostr:npub1dvufvl73s0xdz8d75dgcyjvl0wrmczczvr0ef88g5x8uehmr4fus0j0pwx saying to go in the sun and walk more, and categorizing all the science behind it.

I don't really remember most of what came across my way on Twitter over the year, mostly a bunch of macro bullshit, but now in the morning I immediately go and get some sun if it's out.