Can up to 45 per cent of dementia risk be prevented or delayed?

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Up to 45 Per Cent of Dementia Risk Could Be Prevented or Delayed

The World Health Organisation (WHO) has stated that a significant portion of dementia risk, as much as 45 per cent, can be prevented or delayed. This is primarily attributed to modifiable lifestyle and environmental factors, as there is currently no cure for the condition. Dementia affects millions globally, impacting memory, thinking, and the ability to function, and it is a leading cause of death and dependency among older individuals.
Modifiable Risk Factors Contribute Significantly

Dementia risk is influenced by several factors that individuals and societies can address. These include exposure to tobacco smoke, air pollution, excessive alcohol consumption, social isolation, and a lack of physical activity. Furthermore, the presence of noncommunicable diseases (NCDs) such as high blood pressure and diabetes also plays a crucial role in increasing dementia risk.
Global Impact of Dementia

Globally, over 57 million people are living with dementia, with approximately 10 million new diagnoses occurring each year. Alzheimer disease is the most prevalent form, accounting for between 60 and 70 per cent of all dementia cases. The condition not only affects individuals' health but also imposes profound challenges on their families and communities, impacting their dignity, independence, and overall well-being.
Prevention as the Primary Strategy

Given the absence of a cure or widely accessible treatments for dementia, the WHO strongly emphasizes prevention as the most effective strategy to mitigate its impact. This approach aims to reduce the future burden of the disease by addressing its root causes and risk factors. The WHO's updated guidance for health workers and policymakers outlines actionable steps to protect cognitive health and delay the onset of dementia.
Recommended Actions for Health Systems

To combat dementia risk, the WHO recommends specific interventions. These include offering cognitive stimulation and training for adults experiencing mild cognitive impairment, which is a precursor to dementia for some. Additionally, improved management of existing conditions like hypertension, diabetes, and high cholesterol is advised. The organisation also calls for better integration of services related to NCDs, mental health, and overall brain health to provide comprehensive care and support.

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Can up to 45 per cent of dementia risk be prevented or delayed?

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