Another cause of a heart attack - Noisy workplaces are not just irritating but debilitating and ma y precipitate a heart attack.

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According to the lead author Dr Wenqi Gan (University of British Columbia, Vancouver), the study clearly brought out the connection between excess noise exposure in work place and the increased risk of MI. The excess noise acted as a forceful external source of stress. This effect was equated to a sudden and heavy emotional outburst or physical exertion, which triggers the SNS (sympathetic nervous system), causing a surge in adrenalin, leading to coronary vaso- constriction. This consequently leads to a partial or complete coronary occlusion in people with or without a pre-existing atherosclerotic plaque. Noise stress can lead to break up or dislocate or dislodge a vulnerable coronary plaque.

As always more studies are required to remove any uncertain elements or ambiguities, which normally crop up in a single study. The researchers feel more studies will bring in standardized results, nevertheless as of now continuous excess noise can be deleterious to people in mid life especially those who are at high CVD risk and are smokers.

Vijayalakshmi Iyengar
Sr. Dietitian NutritionVista.com

NutritionVista

User Comments

10 November, 2010 | Srimathy Chandran | Reply

I feel any individual working in areas with high decibels should take precautions like wearing a ear plug, helmet, goggles, gloves etc etc so that they can protect themselves from such stress. By taking small precautions like such many health conditions can be prevented. Along with these having a balanced and nutritious diet, exercise daily helps a great extent as mentioned by the dietitians of Nutritionvista.

22 November, 2010 | Vijayalakshmi Iyengar | Reply

In India unfortunately most companies use cheap labour and save on these protectional gear not realising its not humanitarian for one and it will cost their productivity eventually.

10 November, 2010 | Saket | Reply

OMG is this the reason why many young guys in stockbroking and construction get heart attacks ? India is polluted in everyway including noice so do you think the high decibel noise level is cutting off years of many of our lives? Scary man!!

10 November, 2010 | Mrinal | Reply

Whoa there Saket!
It's not as bad as you make it sound. I think diet, lack of exercise and stress factors are what is contributing to the increase in CVD in brokers and construction workers.
I think extreme loud noises for prolonged periods of time exacerbate the stress levels which in turn cause chemical imbalances that can bring about changes in heart rhythms.

10 November, 2010 | Vijayalakshmi Iyengar | Reply

Dear Saket, anybody who adopts a good diet, physical activity and life style can handle stress better than one who does not.
Noise pollution is yet another stress which by itself will not kill anyone,but probably make them hard of hearing. It can precipitate a heart attack or any other health challenge which was at the threshold, brought about by a bad diet, exercise, stress and life style management. So the Mantra is to Live and Eat Healthy to beat other odds.

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