As the nerve cells die, brain tissue is lost, damaging the brain and causing a wide variety of symptoms as they gradually lose function of the all-important organ.
Scientists do not fully understand what causes Alzheimer’s, but they believe the degree of brain changes which take place with advancing age may facilitate the diseases’ development.
As such, people over the age of 65 emerge as the most common victims.
An estimated one in 14 people over retirement age will have the disease or another kind of Dementia – which describes the group of symptoms associated with neurodegenerative conditions.
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