Two previous cross-sectional studies have investigated the effect of railway noise on the prevalence of hypertension and one found a significant positive association on road traffic noise, whereas the other study found no associations.[ 14 , 15 ] An overview from 2006 of the effects of exposure to transport noise (road, air, and rail) on cardiovascular health concluded that transport noise is associated with hypertension.[ 16 ] In the study by Sørensen et al .[ 17 ] with respect to self-reported doctor's diagnosis of cardiovascular diseases, a borderline significant increase of risk was found in subjects exposed to the railway noise level.
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A study of self-reported health problems of the people living near railway tracks in Raipur city.
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