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So still there is more to be known about the causes of deafness in animals such as dogs. [6] Common misconceptions may lead potential owners to believe that deaf dogs may be more likely to have an unpleasant disposition, or that the condition implies other brain abnormalities. Many people have successfully raised and trained deaf animals.
Deafness can occur in white cats with yellow, green or blue irises, although it is mostly likely in white cats with blue irises. [4] In white cats with one blue eye and one eye of a different color (odd-eyed cats), deafness is more likely to affect the ear on the blue-eyed side. [1] Approximately 50% of white cats have one or two blue eyes. [5]
Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3). [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. [1] Areas of the skin exposed to friction and radiation are typically affected first. [1] Over time affected skin may become darker, stiffen, peel, or bleed. [1] [3]
It is estimated that Waardenburg syndrome is present in 2–5% of congenitally deaf people. Congenital deafness comprises around half of deafness as a whole. [8] About 1 in 30 students in schools for the deaf have Waardenburg syndrome. The variable presentation of the syndrome makes it difficult to arrive at precise figures for its prevalence. [8]
Deaths from dementia have tripled in just 21 years, according to a new study published in The Primary Care Companion for CNS Disorders. In 1999, about 150,000 Americans died from dementia ...
The scientists discovered that people who had smaller temporalis muscles had a 60 percent higher chance of developing Alzheimer’s disease or dementia. A smaller temporalis muscle size was also ...
With an estimated 6.9 million Americans aged 65 and older currently living with Alzheimer's disease, the road to a cure seems long and uncertain.. But as the year comes to a close, experts are ...
Usually, people with this disorder have ataxia, mild–moderate sensorineural hearing loss, narcolepsy, and cataplexy. These symptoms start happening when an affected person is about 30 years old. [6] [7] A bit later in life, people with ADCADN start showing a decline in executive function known as dementia.