According to Dr.Steven D.Rauch, a professor of otolaryngology at Harvard, there are four major areas for concern: ear hygiene, noise injuries, age-related hearing loss and ear health emergencies.

• 据斯蒂芬D.；劳奇所言，哈佛大学耳鼻喉科教授，有4个方面值得关注：耳部清洁，噪声伤害，年老失聪，急症耳病。