聽力消失的主要原因:
1. cerumen impaction (impacted ear wax)
2. trauma to the ear or head.
3. loud noise/loud sounds.
4. ototoxic medicines.
5. work related ototoxic chemicals.
6. nutritional deficiencies.
7. viral infections and other ear conditions.
8. delayed onset or progressive genetic hearing loss.
對付的方法(我的看法)
1. 盡量少掏耳朵
3. 別戴耳機
4. 注意藥的副作用
6. 飲食平衡 (multi vitamins etc)
7,8 多鍛煉