Smoking and hearing: how cigarettes damage the inner ear and accelerate hearing loss
Tobacco raises hearing-loss risk by 70 %. Vascular mechanisms on the inner ear, more frequent tinnitus, recovery after quitting.
The scientific basis on quitting smoking was reviewed on a voluntary basis by Pr. Bertrand Dautzenberg , a tobacco specialist, in order to rule out gross, potentially dangerous errors. It reflects positions commonly shared by health professionals and health agencies, without always corresponding exactly to his thinking or his practice. He is not the author of this text; he has only carried out a vigilance review of it.
Hearing is one of the senses we lose silently. Here too, tobacco is a little-known but well-established risk factor. Smokers have 70 % more risk of developing hearing loss than comparable non-smokers.
Why the inner ear is vulnerable
The inner ear (the cochlea) contains ultra-fragile hair cells that turn sound vibrations into nerve signals. These cells do not regenerate after destruction. They depend on extremely fine microcirculation and constant oxygen supply.
Cruickshanks et al., JAMA, 1998; Japanese studies, 2018
The concrete consequences
Smokers' hearing loss is insidious. It starts at the high frequencies, which are no longer caught in a group conversation. The family notices before the patient.
Selon les pneumologues
Myth vs reality
Second-hand smoke and child hearing
Passive exposure also affects children: raised risk of recurrent otitis, which can disrupt language development and cause transient hearing drops.
Recovery after quitting
- A few months cochlear microcirculation recovers, tinnitus may decrease.
- 1-2 years hearing-degradation pace slows clearly.
- Several years risk of severe hearing loss approaches that of a non-smoker.
⚠️ Important: hearing loss that is already in place does not heal. Destroyed hair cells do not grow back. Quitting smoking stops the degradation, but does not restore what has been lost.
In United Kingdom
Your questions
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At how many pack-years does risk become noticeable?
Measurable from 10-15 pack-years. The first damage is often subclinical (only visible on an audiogram). -
When to have a hearing test?
Ideally every 5 years after 50 in a smoker, or earlier in case of symptoms (tinnitus, difficulty in noise). Sooner if hearing is perceived as worsened. -
Will tinnitus disappear if I quit?
Often improvement is reported within 3-12 months. Not always full disappearance, especially if tinnitus is long-standing. -
Does second-hand smoke affect my hearing too?
Yes, moderately, especially in prolonged exposure (living with a smoker). Around 30 % more risk of sensorineural hearing loss in cohabiting non-smokers. -
Do hearing aids work in ex-smokers?
Yes, no difference. But quitting before damage is advanced avoids or delays the need for aids.
sources
Cruickshanks KJ et al., Cigarette smoking and hearing loss: the Epidemiology of Hearing Loss Study, JAMA, 1998.
Hu H et al., Smoking, Smoking Cessation, and the Risk of Hearing Loss: Japan Epidemiology Collaboration on Occupational Health Study, Nicotine & Tobacco Research, 2018.
Société Française d'ORL, Recommendations on presbycusis, 2023.
WHO, World Report on Hearing, 2021.
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