THE PART PLAYED BY CERTAIN OCCUPATIONAL TOXIC SUBSTANCES IN THE OCCURRENCE AND EVOLUTION OF THE CARDIOVASCULAR DISEASES REGARDING THE OCCUPATIONAL EXPOSURE
Abstract:
The heart illnesses are the first cause of deceases in the entire world, with a larger weight in the developed countries, where these illnesses represent, in general approximately 50 percent of the total number of deaths, by all causes. The risk factors related to cardiovascular diseases were deeply studied, but the role of occupational exposure is less known. Some physical and chemical factors can by associated to cardiovascular diseases. However, the scientific data indicate a direct causal relation for only few of them. The possibility of association between lead and cadmium exposure and cardiovascular diseases remains a controversial subject; Epidemiological studies have found positive connections between the exposure to those metals and mortality due to cardiovascular diseases, as well as between the levels of those metals inside the human body and blood pressure, conduction defects, arrhythmia and electrocardiographic abnormalities.
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