In a startling study by researchers with Oregon Health & Science University and Anhui University in China, work with a mouse model found that elevated brain levels of the happy hormone neurotransmitter serotonin also resulted in elevated behavioural symptoms of tinnitus....
✦ Clinical Takeaway ✦
No actionable change — this is a preliminary mouse-model study; findings cannot yet be applied to human tinnitus management.
✦ Why It Matters ✦
If serotonin's role in tinnitus is confirmed in humans, it could open new treatment targets, which is particularly significant given the lack of approved pharmacological therapies for tinnitus.
✦ Key Points ✦
- 01Mouse-model study links elevated brain serotonin levels to increased tinnitus-like behaviour.
- 02