I wish I could be more helpful, but this was during a period I was distance running everyday for years without much concern on what I was consuming so long as I found it interesting.

In terms of popular podcasts maybe I could say Lex Friedman, but then I might search for one of his guests, or specific topics I wanted to learn more about, on YouTube and look for lectures or panel discussions in the results that looked like they might be high quality.

"This Week in Virology": https://www.microbe.tv and sister podcasts.