š¢ The effect of ageing on the nervous system
Alzheimerās disease
Hearing, vision and memory loss
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Alzheimerās disease
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Alzheimerās disease is the most prevalent type ofĀ dementia. Dementia is a disease affecting the brain, caused by an interplay of genetic and environmental factors over time.Ā AgeĀ is the main risk factor for developing Alzheimerās disease.
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Neurons die gradually as Alzheimerās disease progresses over several years, due to buildups of otherwise safe proteins includingĀ amyloidĀ andĀ tau. Amyloid forms plaques between neurons while tau forms tangles inside them. These structures result in the death of brain cells.
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