FTA: "Lower levels of other bacteria, including those in the family Ruminococcaceae, were also linked to depression."

"Other studies found non-digestible carbohydrate consumption positively correlated with increased abundance of Ruminococcus, E." [0]

So, eating carbs not only feels good in the moment, it is also directly linked with lowering depression! /s :D

[0] https://blog.bioticsresearch.com/6-foods-that-foster-the-mic...

In my own personal experience, I notice a dramatic and direct link between my mental state and how my gut feels (potentially vice versa as well), so this tracks for me. It's exciting to see all of this research coming out about new novel ways which we may improve mental health treatments.