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Can pollution make your blood pressure rise?
According to an American study, atmospheric pollution appears to increase blood pressure in patients suffering from cardiovascular disorders. The authors noted an increase in blood pressure, particularly in individuals with heart rhythm problems, both while at rest and after effort.
The study was conducted in Boston and involved 62 patients described as having “cardiac sensitivity” and with an average age of 61. The levels of fine particle emissions (PM) from diesel engines were obtained using an automatic analyser installed on the roof of a building less than 1 km from the hospital.
This showed that an increase in the average PM levels during the 45 to 120 hours prior to the tests was associated with a rise in blood pressure. This was also true of other pollutants such as sulphur dioxide, ozone and carbon. “These data are particularly interesting as the increase was registered with only a very slight variation in pollutant levels”, the American team points out.
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