7 Subtle Signs That You're Under Too Much Stress
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Why it could be stress: Exactly how tinnitus is linked to stress isn't clear, but research in BMC Public Health found that people who were worried about being fired or moved to another job were more likely to report tinnitus (hearing a noise like ringing, buzzing, clicking or even hissing) or hearing loss than those who felt secure in their roles.
Other possible causes: Earwax buildup, really loud noises and age-related hearing loss. If it's happening often enough to bother you, see an ear nose and throat specialist to nail down the cause.