The homeostasis of elements is essential for a healthy nervous system, which is crucial for patients with bipolar disorder. Abnormalities related to the supply, absorption, intracellular and extracellular concentrations of micronutrients are considered as factors in the pathogenesis of affective disorders. Lithium carbonate treatment influences levels of elements. The paper presents a study on the influence of lithium carbonate treatment on the content of selected elements (lithium, copper, iron, zinc, magnesium and calcium) in hair sample from bipolar patients. The study group consisted of 57 patients with the diagnosis of bipolar affective disorder. Each patient was in the remission phase. Two groups were distinguished according to the treatment – with or without lithium carbonate. The levels of lithium, copper, iron, zinc, magnesium and calcium were measured based on an analysis of hair samples. Patients taking lithium carbonate are characterized by a higher level of lithium (p

26.4.2021