Related Experiment Video
Updated: Nov 23, 2025
05:12
Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
Published on: June 23, 2023
1.3K
Alcohol use and dementia: new research directions
Rachel Visontay1,2, Rahul Tony Rao3, Louise Mewton1,2
1Centre for Healthy Brain Ageing, University of New South Wales, Sydney, Australia.
Current Opinion in Psychiatry
|January 4, 2021
Summary
This review examines alcohol
Area of Science:
- Neurology
- Public Health
- Epidemiology
Background:
- Alcohol consumption is increasingly recognized as a significant risk factor for dementia.
- Existing research suggests a complex relationship, with potential protective effects at low-to-moderate levels and clear detrimental effects at heavy consumption levels.
Purpose of the Study:
- To review recent scientific evidence on the association between alcohol use and dementia.
- Focus on studies published between January 2019 and August 2020.
Main Methods:
- Literature review of epidemiological studies.
- Analysis of recent findings on alcohol's impact on cognitive function and dementia risk.
Main Results:
- Low-to-moderate alcohol intake may show protective effects for dementia and cognitive function, though methodological limitations exist.
- Chronic heavy alcohol use is clearly linked to alcohol-related brain damage through pathways like thiamine deficiency and direct neurotoxicity.
Conclusions:
- Robust modeling using large datasets and advanced analytical approaches is needed to clarify the alcohol-dementia relationship.
- Early interventions, including thiamine substitution and psychosocial treatments for harmful alcohol use, are crucial.
- Formal validation of diagnostic criteria for alcohol-related dementia is required for clinical practice.
More Related Videos
Related Concept Videos
01:30Dementia
371
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....
The progression of dementia is generally gradual....
371
01:27CNS Depressants: Alcohol and Nicotine
752
Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
752
01:26Alzheimer's Disease: Overview
1.2K
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
1.2K
01:22Alzheimer's Disease: Treatment
590
Alzheimer's Disease (AD), a neurodegenerative disorder, is pathologically identified by amyloid plaques and neurofibrillary tangles composed of tau protein. AD pharmacotherapy aims to manage cognitive symptoms, delay disease progression, and treat behavioral symptoms. The treatment is primarily symptomatic and palliative, with no definitive disease-modifying therapy available. Cholinesterase inhibitors, including donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne), are...
590
01:30Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
354
Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function.
354