The brain’s “feel good” chemical may be secretly fueling tinnitus | HappeningNow.news

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The brain’s “feel good” chemical may be secretly fueling tinnitus

Source Summary Published May 15, 2026 Brief Under 1 min brief
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Summary

Scientists have uncovered evidence that serotonin — the same brain chemical boosted by many antidepressants — may actually worsen tinnitus. Using advanced light-based brain stimulation in mice, researchers identified a serotonin-driven circuit linked directly to tinnitus-like behavior. The findings may explain why some people experience louder ringing in their ears while taking SSRIs.

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