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Age-related hearing loss, or presbycusis, is the slow loss of hearing that occurs as people get older.
Hearing loss - age related; Presbycusis
Causes, incidence, and risk factors
Tiny hairs inside your ear help you hear. They pick up sound waves and change them into the nerve signals that the brain interprets as sound. Hearing loss occurs when the tiny hairs inside the ear are damaged or die. The hair cells do not regrow, so most hearing loss is permanent.
There is no known single cause for age-related hearing loss. Most commonly, it is caused by changes in the inner ear that occur as you grow older. However, your genes and loud noises (such as from rock concerts or music headphones) may play a large role.
The following factors contribute to age-related hearing loss:
Family history (age-related hearing loss tends to run in families)
Repeated exposure to loud noises
Smoking (smokers are more likely to h...
Definition Hearing loss is the total or partial inability to hear sound in one or both ears. This article focuses on hearing loss in infants. Alternative Names Deafness -- infants; Hearing impairment -- infants; Conductive hearing loss -- infants; Sensorineural hearing loss -- infants; Central hearing loss -- infants Causes, incidence, and risk factors About 2 - 3 infants out of every 1,000 live births will have some degree of hearing loss at birth. Hearing loss can also develop in children who had normal hearing as infants. The loss can occur in one or both ears, and may be mild, moderate, severe, or profound. Profound hearing loss is what most people call deafness. Some cases of hearing loss are progressive (they get worse over time). Other cases of hearing loss stay stable and do not get worse. Risk factors for infant hearing loss include: Family history of hearing loss Infection with some viruses and bacteria Low birth weight Problems with the structure of the skull bones There are four types...
Worried about your brain shrinking as you age? You might want to check your hearing. And that’s important for older women to consider since our hearing may start declining during the menopausal transition.
First, let’s look at hearing loss in middle-age women. A 2009 study out of Sweden involved 104 women who were, on average, 51 years of age. Their hearing was tested twice during this longitudinal study. The researchers found that the menopausal transition may trigger rapid hearing decline in healthy women. This decline is seen first in the left ear within four years after the last menstrual period. Hearing in the right ear tends to decline between 5-7 years after the final menstrual period. From that point until the 13th year after a woman’s last menstrual period, the decline in hearing in both ears seems to be more subtle.
Now, let’s talk about the link between hearing loss and brain shrinkage. A new study out of Johns Hopkins University lo...
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