A study was made of relationship between biologic age of welders and their health status. The results obtained suggest that evolution of occupational abnormalities of bronchipulmonary system may accelerate the welders' rate of aging two-fold. Accumulation of iron in the organism of welders furthers the process of ageing as well. A high specific weight of patients with critically low level of the blood serum content of cholesterol (3.34 mmol/l) was found to be the case among welders with occupational abnormalities of bronchipulmonary system, which fact suggests a high risk for the pulmonary cancer development.
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