Final answer:
Tinnitus is the perception of a ringing sound in the ears, caused by various factors such as exposure to loud noise or age-related hearing loss.
Step-by-step explanation:
Tinnitus is the perception of a ringing sound in the ears. It is not a disease, but a symptom of an underlying condition. Tinnitus can be caused by various factors, such as exposure to loud noise, age-related hearing loss, earwax buildup, or certain medications. The ringing sound can be continuous or intermittent, and it may vary in pitch and volume.
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