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Spinocerebellar ataxia (SCA) is a progressive, degenerative, [1] genetic disease with multiple types, each of which could be considered a neurological condition in its own right.
Spinocerebellar ataxia type 1 (SCA1) is a rare autosomal dominant disorder, which, like other spinocerebellar ataxias, is characterized by neurological symptoms including dysarthria, hypermetric saccades, and ataxia of gait and stance.
A neurological disease refers to any ailment of the central nervous system, including abnormalities of the brain, spinal cord and other connecting nerve fibres. [8] Where millions of people are affected by neurological diseases on a worldwide scale, [8] it has been identified that the number of different types of neurological diseases exceeds six hundred, [9] any of which an individual can incur.
It may also appear later in life and then have a milder course of the disease. The common feature is progressive weakness of voluntary muscles, with arm, leg and respiratory muscles being affected first. [7] [8] Associated problems may include poor head control, difficulties swallowing, scoliosis, and joint contractures. [2] [8]
The average life expectancy in the U.S. is 77.5 years, according to the Centers for Disease Control and Prevention. But Americans outlive their health spans by 12.4 years, the study found.
Alzheimer's disease is the most common form of dementia, affecting more than three million Americans per year. And while its exact cause is unknown, researchers may have just had a breakthrough.
[12] [15] Patients display muscle weakness and cerebellar and ocular malformations, with a life expectancy of less than 1 year. [ 9 ] [ 15 ] An additional dystroglycanopathy phenotype is Fukuyama congenital muscular dystrophy (FCMD) caused by a mutation in the Fukutin (FKTN) gene, which is the second most common type of muscular dystrophy in ...
From 2019 to 2021, U.S. life expectancy dropped from 78.8 years to 7 6.4. Covid deaths fell significantly last year: Whereas Covid was the fourth leading cause of death in 2022, it was the 10th in ...