https://www.scientificamerican.com/article/gut-bacteria-change-as-you-get-older-and-may-accelerate-aging/
https://www.scientificamerican.com/article/gut-bacteria-change-as-you-get-older-and-may-accelerate-aging/
https://www.discovermagazine.com/mind/gut-bacterias-role-in-anxiety-and-depression-its-not-just-in-your-head
https://www.discovermagazine.com/mind/gut-bacterias-role-in-anxiety-and-depression-its-not-just-in-your-head
https://www.bbc.com/future/article/20180321-how-our-gut-bacteria-cause-changes-the-way-we-feel
