| 1 | Improves hearing function by preventing or relieving tinnitus (ringing/buzzing in the ears) and vertigo (dizziness). | |
| 2 | Loud noise contributes to presbycusis and tinnitus. | |
| 3 | For tinnitus, protection like ear plugs or ear defenders help. | |
| 4 | Working with loud machinery can cause tinnitus or noise induced hearing loss. | |
| 5 | This may be the explanation for Hitler's many complaints of buzzing or beeping in his ears. |