Although society is increasingly developing and science and technology are increasingly advancing, they can help prolong human life but still cannot prevent the aging process, especially the phenomenon of hearing loss (presbycusis) in the elderly.

Even if you feel your body is quite young, at the threshold of health improvement at the age of 70, there is always a risk of some unforeseen diseases. That is why the need for health care for people 70 years of age and older is extremely important.