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Review
. 2014 Apr 12;383(9925):1325-1332.
doi: 10.1016/S0140-6736(13)61613-X. Epub 2013 Oct 30.

Auditory and non-auditory effects of noise on health

Mathias Basner  1 , Wolfgang Babisch  2 , Adrian Davis  3 , Mark Brink  4 , Charlotte Clark  5 , Sabine Janssen  6 , Stephen Stansfeld  5
Affiliations
Review

Auditory and non-auditory effects of noise on health

Mathias Basner et al. Lancet. .

Abstract

Noise is pervasive in everyday life and can cause both auditory and non-auditory health effects. Noise-induced hearing loss remains highly prevalent in occupational settings, and is increasingly caused by social noise exposure (eg, through personal music players). Our understanding of molecular mechanisms involved in noise-induced hair-cell and nerve damage has substantially increased, and preventive and therapeutic drugs will probably become available within 10 years. Evidence of the non-auditory effects of environmental noise exposure on public health is growing. Observational and experimental studies have shown that noise exposure leads to annoyance, disturbs sleep and causes daytime sleepiness, affects patient outcomes and staff performance in hospitals, increases the occurrence of hypertension and cardiovascular disease, and impairs cognitive performance in schoolchildren. In this Review, we stress the importance of adequate noise prevention and mitigation strategies for public health.

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Conflict of interest statement

Conflicts of interest

We declare that we have no conflicts of interest.

Figures

Figure 1
Figure 1. Sound pressure levels
(A) The sensitivity of the auditory system depends on sound frequency and sensitivity is highest between 2000 Hz and 5000 Hz (green line). The A-filter (dark red line) is a frequency-weighting of sound pressure levels that mimics the sensitivity of the auditory system (eg, low-frequency sounds contribute little to the A-weighted dB level). (B) A-weighted sound pressure levels for several environmental sounds, emphasising that whether or not a sound is perceived as noise depends largely on the context and the individual, and is only partly determined by its sound pressure levels. For example, spectators attending a rock concert might not perceive the music as noise, whereas residents in the vicinity of the venue might call it noise, even though sound pressure levels are much lower there than for inside.
Figure 2
Figure 2. DALYs attributed to environmental noise exposure in Europe
According to WHO, more than 1 million healthy life years (DALYs) are lost annually because of environmental noise exposure in European A-member states alone. Most of these DALYs can be attributed to noise-induced sleep disturbance and annoyance. DALYs=Disability-adjusted life years.
Figure 3
Figure 3. Exposure–response curves of road and aircraft noise and cardiovascular endpoints
RTN and hypertension (24 studies, noise indicator LAeq16h); RTN and myocardial infarction (five studies, noise indicator LAeq16h); RTN and stroke (one study, noise indicator LDEN); AN and hypertension (five studies, noise indicator LDN); and AN and MI (one study, noise indicator LDN). RTN=road traffic noise. AN=aircraft noise.
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Comment in

  • Sound advice for public health.
    The Lancet. The Lancet. Lancet. 2014 Apr 12;383(9925):1270. doi: 10.1016/S0140-6736(14)60631-0. Lancet. 2014. PMID: 24725561 No abstract available.

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