Hearing Loss and Cognitive Impairment
JAMA Neurology added to the growing body of evidence showing a link between hearing loss and cognitive impairment. The study found treating hearing loss with hearing aids may reduce the risk of developing dementia by up to 19%. In fact, researchers say hearing loss may be the biggest treatable factor for dementia. An article in AARP explains what may cause the link between hearing loss and dementia. The first theory regards socialization. Scientists say once a person starts having more difficulty being in a group of people and following the conversation, they may avoid such social gatherings. This in turn can lead to isolation, which is problematic as less social engagement as well as less cognitively stimulating activities and depression are risk factors for dementia. Secondly, coping with hearing loss means the person is constantly working to sort out sounds and make sense of what is being said. The brain now may have “fewer resources (brain power) to help preserve thinking and memor...