an interesting movie about eating dirt lol its actually interesting and i found it valuable as it shows that today in our modern society we forgot about this lost practice of eating dirt/clay, you can watch it here:
i know they use clay/dirt/soil interchangeably but were looking at mostly soil. As clay and soil have different health benefits and soil has the vast micro organisms not found in clay (as clay is used mostly for adsorbing heavy metals and toxins, and provinding some minerals).
heres a 91 year old woman who consumed soil most throughout her life but stopped since she moved as she she said the quality of dirt wasn't the same: