Which common form of dementia accounts for most cases?

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Alzheimer's Disease is the Most Common Form of Dementia

Alzheimer's disease is identified as the most prevalent form of dementia, estimated to comprise between 60 and 70 per cent of all dementia cases globally. This neurodegenerative condition significantly impacts memory, thinking processes, and an individual's capacity to perform daily functions.
Prevalence and Global Impact of Dementia

Dementia is recognised as the seventh leading cause of mortality worldwide and represents a substantial contributor to disability and dependency among the elderly population. Globally, over 57 million individuals are currently living with dementia, with an additional nearly 10 million new diagnoses occurring each year. The profound challenges associated with dementia extend beyond health, affecting the dignity, independence, and overall well-being of individuals, their families, and their communities.
Modifiable Risk Factors for Dementia

The World Health Organisation (WHO) has indicated that a significant portion, up to 45 per cent, of dementia risk is attributable to factors that can be modified. These include lifestyle elements and environmental exposures such as tobacco use, excessive alcohol consumption, social isolation, physical inactivity, and exposure to air pollution. Furthermore, the management of noncommunicable diseases (NCDs), including conditions like high blood pressure and diabetes, plays a crucial role in mitigating dementia risk.
WHO Recommendations for Prevention

Recognising the absence of a cure for dementia, the WHO advocates for prevention as the primary strategy to reduce the global burden of the condition. Updated guidelines issued by the organisation provide health workers and policymakers with evidence-based recommendations to promote early awareness and intervention. These recommendations aim to protect cognitive health and encourage healthier, more independent lives for individuals, underscoring that dementia is not an unavoidable consequence of ageing.

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Which common form of dementia accounts for most cases?

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