Macromolecular materials, also called polymer materials, are materials composed of macromolecular compounds as the matrix and with other additives (auxiliary agents).Polymer material classification1. Classification by sourcePolymer materials are classified into natural polymer...
Tinnitus is a very annoying thing, especially when sleeping, when the outside world is relatively quiet, tinnitus will be more obvious, and often make myself unable to fall asleep. And tinnitus is usually a precursor...
Conductive deafness and sensorineural deafness are two of the more common types of deafness. These two types of deafness also have some differences in the effectiveness of hearing aids. Generally speaking, the effects of conductive...
Regarding how to alleviate hearing loss, let's first talk about what causes hearing loss. There are many causes of hearing loss, such as traumatic deafness caused by ear canal and eardrum injuries, and noise deafness...
When hearing loss is found, many older people carry it, and are less willing to wear hearing aids. A study by the University of Michigan's Department of Family Medicine found that hearing-impaired elderly people who...
Prior to the 1996 physical examination, the handsome and promising Mr. Clinton did not know that he had high frequency hearing loss. After that, he quickly accepted the fact. Why is there a problem with hearing? Mr....
For most elderly people, hearing loss is a slow matter. On average, three to five years will gradually change the outside sound. Many people will not feel the impact on their lives until they have...
Many elderly people are prone to ear damage! Do you know how to equip hearing aids for the elderly with ear damage? Do you know what to pay attention to when using hearing aids for...
How does hearing loss in childhood affect brain development? It's well known that deafness in early childhood can cause constant changes in the way the brain processes sound. But recent research has found that even mild to moderate...
Is tinnitus heard in the ears? Is the buzzing in my head tinnitus? Do you hear "singing" or "talking" as tinnitus? ... Tinnitus is only true if both conditions are met. Tinnitus is arguably one of the most difficult otological...
