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Prions Detected in Eyes of Patients With Brain Disease

Analysis by Dr. Joseph Mercola Fact Checked

prions in the eyes

Story at-a-glance -

  • Researchers from the University of California in collaboration with scientists from Nagasaki University discovered prions are found in the eyes of those who suffer from Creutzfeldt-Jakob disease (CJD)
  • Prions are abnormal forms of proteins that collect in brain tissue and cause the cells to die. They are found in CJD, bovine spongiform encephalitis (mad cow) and chronic wasting disease, all different forms of the same disease
  • Autopsies of people with known CJD contracted from human cadaver transplants revealed beta amyloid plaques in their brains, a common finding in those with Alzheimer’s disease
  • Animal models demonstrate an injection of neurological tissue from a human with Alzheimer’s into the brain of the animal triggers Alzheimer’s-type symptoms and brain changes
  • Additionally, the development of Alzheimer’s disease is influenced by several lifestyle factors, including sleep, nutrition, exercise and vitamin D status

Creutzfeldt-Jakob disease (CJD) is a fatal brain disorder that destroys brain cells, causing tiny holes in the brain. Symptoms of CJD are ataxia, or difficulty controlling body movements, abnormal gait and speech, and dementia. The disease is always fatal and has no cure.

CJD is one of several transmissible spongiform encephalopathies (TSEs). These are a family of progressive neurodegenerative disorders affecting animals and humans. Bovine spongiform encephalopathy (BSE), also known as mad cow disease, presents in much the same way as CJD.

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