date:Sep 09, 2019
earchers looked at 76 middle-school students in urban Alabama. They compared self-reported depression symptoms with the teen's sodium and potassium levels, measured by a urine test, over the course of a year and a half.
The researchers found that teens with higher levels of sodium and lower levels of potassium were more likely to report frequent symptoms of depression, even after adjusting for other factors like age, baseline depression levels, and body mass index.
They also found that sodium