Dementia Prevention
Dementia Prevention - Related Videos
09:17
Using Retinal Imaging to Study Dementia
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Cited by 19 •
2017
The retina shares prominent similarities with the brain and thus represents a unique window to study vasculature and neuronal structure in the brain non-invasively. This protocol describes a method to study dementia using retinal imaging techniques. This method can potentially aid in diagnosis and risk assessment of dementia.
01:30
Dementia
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2025
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging. The progression of dementia is generally gradual.
01:22
Dementia l: Introduction
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2026
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
06:23
The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
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Cited by 68 •
2016
This article describes the 4 Mountains Test (4MT), a hippocampus-dependent test of working allocentric spatial memory. The hippocampus is affected early in Alzheimer's disease (AD) and this article outlines the 4MT methodology and results of patient testing, which demonstrates the value of the 4MT in the diagnosis of pre-dementia AD.
02:59
Cancer Prevention
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2023
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer. Some...
FAQs
Regular physical activity may support dementia prevention by addressing vascular and metabolic factors that affect brain health. Its importance lies in targeting modifiable risks rather than relying on a single intervention. Researchers therefore examine activity patterns across the lifespan and consider exercise alongside blood-pressure management, diet, sleep, and other behaviors when evaluating strategies for healthy cognitive aging.
These behaviors are targets because smoking, excessive alcohol use, and poor sleep can contribute to conditions associated with cognitive decline. Addressing them expands prevention beyond exercise or diet alone. Behavior-focused programs may combine risk reduction with social and cognitive stimulation, allowing researchers to study whether coordinated changes provide broader support for brain health.
Managing hypertension is relevant because uncontrolled cardiovascular risks can affect brain health through vascular pathways. Dementia prevention research therefore treats blood-pressure control as part of a broader behavioral and health strategy, rather than as an isolated medical issue. Monitoring hypertension alongside physical activity, diet, sleep, and other modifiable factors can help identify comprehensive approaches to healthy aging.
Researchers can examine how modifiable behaviors and health conditions relate to cognitive decline or the timing of dementia onset across the lifespan. Studies may compare patterns such as activity, smoking, alcohol use, sleep quality, social engagement, diet, and hypertension management. This approach helps identify practical intervention targets and informs public health strategies without reducing prevention to one behavior.
A practical approach can combine regular physical activity with a balanced diet, quality sleep, cognitively stimulating activities, and social engagement. Managing hypertension and avoiding smoking or excessive alcohol use adds attention to cardiovascular and lifestyle risks. Considering these behaviors together is useful because prevention research addresses several modifiable influences on brain health at the same time.
Behavior provides measurable, potentially modifiable targets for dementia prevention research. Investigators can study how daily activity, social connection, cognitive stimulation, sleep, diet, smoking, alcohol use, and health-management practices relate to brain health across the lifespan. Findings can support interventions designed for individuals and public health programs intended to delay cognitive decline at a population level.