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Symptoms of eustachian tube dysfunction may include: Ear fullness Popping sensations Muffled hearing Ear pressure Mild dizziness Increased Ear Infections Children exposed to secondhand smoke have a higher risk of ear infections because smoke exposure irritates the upper airway and affects eustachian tube function. Secondhand smoke may contribute to: Recurrent ear infections Fluid buildup behind the eardrum Increased need for ear tubes in children Smoking and Hearing Loss Research suggests smoking may also increase the risk of hearing loss

Tobacco companies are expected to sue, as they have with nearly every other tobacco restriction

How to avoid secondhand smoke

Ethical Approval All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards