Morbidity rates were analyzed in adults residing in vicinity of a tungsten-molybdenum industrial complex. The structure of morbidity was examined in relation to the physiological role of a number of heavy metals that are the priority contaminants in this area and with the habits of the residential population. The incidence of diseases of the musculoskeletal system, connective tissue, and respiratory organs was significantly higher in the area adjacent to the complex. In the mid-highlands, there are low incidence rates of circulatory, digestive, and urogenital diseases, and neoplasms as compared with the republican rates.