Eat Dirt!

Remember all the times you made mud pies and some of it definitely ended up in your teeth?  Well that gritty deliciousness was good for you!

https://www.fatherly.com/health-science/let-kids-eat-dirt-gut-health

Explains that eating dirt improves our gut health and helps improve the function of our microbiome.  Who would have thought...well, actually we did.  We know your body is designed to handle the environment and it's just so cool to see it demonstrated and held up in nature and in research.