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Ears:
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Changes in cochlea-decrease in average pitch of sound.
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Hearing loss-greater in left ear than right; greater in higher frequencies than in lower.
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Tympanic membrane-atrophied, thickened-hearing loss.
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Presbycusis-progressive loss of hearing in old age.
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Mouth:
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Dental caries.
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Poor-fitting dentures.
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Cancer of the mouth-increased risk.
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Decrease in taste buds-inability to taste sweet/salty foods.
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Olfactory bulb atrophies decreased ability to smell.