Kozyra, M., P. Zimnicki, J. Kaczerska, N. Śmiech, M. Nowińska, and J. Milanowska. “Relationship Between the Diet and Psychiatric Diseases Such As Depression, Anxiety and Attention-Deficit Hyperactivity Disorder (ADHD)”. Journal of Education, Health and Sport, vol. 10, no. 8, Aug. 2020, pp. 93-104, doi:10.12775/JEHS.2020.10.08.011.