Trends 21
04/11/2010
A noisy workplace persistently increased to more than double the risk of employees suffering a severe heart disease, suggests a study by scientists at the University of British Columbia in Canada.
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The researchers analyzed a sample of more than 6,000 workers over 20 who have participated in the National Health and Nutrition Examination Survey (NHANES) between 1999 and 2004. This report included depth interviews on topics such as lifestyle and health and medical examinations and blood tests of the participants.
people studied were divided into two groups: those who had to endure high levels of persistent noise in the workplace and those without. Individuals in the first group were more likely to get fat and smoke than other factors known to increase the risk of heart disease.
On the other hand, the study showed that continuous noise in the workplace increased the propensity of workers to health problems two to three times, problems such as angina or heart attack, compared with those working in quiet places. This relationship was particularly significant among workers under 50 years, about 4,500 people from the sample.
Scientists believe that everyday noise may be a very powerful external stressor, which can cause chemical messages that end up constricting the blood flow through the coronary arteries and therefore damage their health.
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