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Dementia
May 28, 2008 at 7:58 PM
General Health News
Dementia (Latin: de-‘ apart’;mens-‘mind’) refers to the progressive degeneration in cognitive functions, caused by rapid or gradual alterations in the brain. These changes may be triggered by brain damage or by certain diseases.
Dementia is not the name of a specific disease, but is a term used to refer to a group of symptoms. It commonly affects the older people, although it may manifest at any stage of adulthood.
Cognitive functions involve the ability to think, to perceive, and to learn. Some of the common cognitive functions that are impacted by dementia are:
• Memory
• Thinking
• Attention span
• Reasoning
• Judgment
• Making Decisions
• Problem solving
• Language
• Verbal communications, and
• Spatial orientation
Incidence
The prevalence of dementia has multiplied over the past decades. This could stem from greater awareness, precise diagnosis or better treatment modalities resulting in an expanding population of the elderly.
A recent estimate showed an existing population of 24·3 million dementia-affected persons, with 4·6 million new cases being added every year. This score is likely to double, every 20 years.
The majority of the affected individuals live in developing countries (60% in 2001, expected to rise to 71% by 2040). Rates are expected to increase by more than 300 % in India, China, South Asian and in the Western Pacific countries.
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More News on: Alzheimers Disease, Geriatry-Related Diseases
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