A study completed at the University of Alabama at Birmingham suggests that there could be a possible link between unhealthy food and depression in teenagers. Researchers at UAB studied 84 middle schoolers from low income communities in Birmingham where they found high levels of sodium and low levels of potassium in the group. They also say depression symptoms with students and their parents.
A year and half later, the same group of students were tested and more signs of depression were noticed. According to the researchers, high sodium indicates a diet of processed foods and unhealthy snacks. The low potassium can come from a lack of healthy fruits and vegetables.