to look peculiarities of mental disorders in the elderly in different regions of Lithuania.

We analyzed three regions of Lithuania: Panevėžys region, Palanga region and Varėna region. They are in the different parts of Lithuania. We have chosen data about mental disorders according International Statistical Illness and Health Problems Classification. We collected data with code F20- F25. We have analyzed case-records, which were filled in January 2006.

In Panevėžys region the elderly was 28, 89% (n= 39) of all collected data about mental disorders. Respectively in Varėna region- 42, 86 proc. (n= 6); in Palanga region- 21,05 proc. (n= 4). Average age of elderly was 66, 65 years. Respectively in Panevėžys region- 66,31 years; in Varėna region- 67,17 years; in Palanga region- 69,25 years. 65, 31% of all elderly with mental disorders were women. 75, 51% of all elderly diagnosis was schizophrenia (F20) in all regions. Mental disorders identified before 2006 were 95, 92% and mental disorders identified in January 2006 were 4, 08%. The difference in the disease rate in studied regions correlate with P, Li, Zn, Mn concentrations in the soil and possibly had an effect via the food chain. Also, the drinking water can to be of some importance. Comparing these three regions, there was seen clear natural environment differences. Magnetic field has different activity in these regions. All through Panevėžys region pass the largest tectonic zone in Lithuania.