@tweet_librarian if you're open to another perspective I found this podcast with @alignpodcast very insightful. Definitely is possible to get too much sun (like anything) & zinc etc are much better alternatives *and* most people aren't currently getting enough ☀️ open.spotify.com/episode/35vzWe…

Why, in general, are old things beautiful and new things ugly? This is my descriptive answer, but how it got that way is more complicated carcinisation.com/2015/04/01/the…

There are optimal ways to breathe while running (& exercising in general). They relate to adjusting O2 and C02 ratios, but mostly are based on the relationship between respiration and Heart Rate Variability. @lexfridman and I discuss this on his podcast: youtu.be/msGKrclcsbc pic.twitter.com/i2uJketNVZ

This weekend I went down a rabbit hole and studied the work of Martin Seligman, the father of positive psychology. Seligman's research shows that anyone can build a life filled with happiness, contentment, and meaning. Yes, anyone can have this. Even you. A thread 👇