An interesting and "natural" way to fight cavities. Just read about this research today, looks promising.
https://www.astralcodexten.com/p/defying-cavity-lantern-bioworks-faq
The company positive spin..
https://www.lanternbioworks.com/
Looks like the traditional AMP 2 shot gargling in the table shower area of Listerine, has some COVID-19 benefits.
https://www.washingtonpost.com/lifestyle/wellness/mouthwash-inactivate-covid-study/2020/10/22/1735cdd4-13c5-11eb-bc10-40b25382f1be_story.html