The consumption of foods high in sodium and low in potassium, such as fast food, contributes to the development of depressive symptoms in early adolescence, suggests new study, which found that greater urinary sodium excretion and lower potassium excretion predicted more severe depressive symptoms. : Health

I’ve deliberately linked to the original source journal article that is open access and full-text.

The title of my post is a copy and paste from the abstract of the linked journal article here:

The results suggest that consumption of foods high in sodium and low in potassium contributes to the development of depressive symptoms in early adolescence, and that diet is a modifiable risk factor for adolescent depression.

Here is a popular press secondary source referring to this journal article: https://www.inverse.com/article/58929-fast-food-depression-study

Citation: Mrug, Sylvie, Orihuela, Catheryn, Mrug, Michal, Sanders, Paul W.. Sodium and potassium excretion predict increased depression in urban adolescents. Physiol Rep, 7 ( 16), 2019, e14213, DOI: https://doi.org/10.14814/phy2.14213