Chronic excessive alcohol consumption represents one of the most pervasive yet frequently overlooked modifiable risk factors for profound neurological damage and permanent cognitive impairment. Alcohol-induced persisting dementia characterizes a debilitating clinical entity marked by chronic, irreversible or partially reversible deficits in intellectual functioning, memory, and executive control directly attributable to sustained neurotoxic exposure and nutritional deficiencies. Understanding this complex neuropsychiatric disorder requires examining its biological underpinnings, diagnostic criteria, clinical presentation, and public health ramifications.
Alcohol-Induced Persisting Dementia
1. Concise Definition
Alcohol-induced persisting dementia is a severe neurocognitive disorder characterized by substantial, long-standing deterioration across multiple cognitive domains—including memory, executive functioning, visuospatial processing, and abstract reasoning—caused by the direct neurotoxic effects of chronic alcohol abuse and secondary nutritional deficiencies, particularly thiamine depletion. Unlike transient states of alcohol intoxication or withdrawal delirium, these deficits persist long after the cessation of acute substance intake and cause severe impairment in daily occupational and social functioning.
Clinically classified in historical iterations of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) and retained conceptually under the modern nomenclature of Substance/Medication-Induced Major Neurocognitive Disorder in the DSM-5, this syndrome represents a structural and functional neurological consequence of long-term dependence. While some stabilization or modest cognitive recovery may occur with prolonged abstinence, significant residual neurocognitive dysfunction typically remains permanent.
2. Etymology & Linguistic Origin
The terminology underlying alcohol-induced persisting dementia derives from distinct linguistic roots spanning Classical Latin, Arabic, and historical neuropsychiatric nomenclature. The term alcohol traces its etymological lineage to the Arabic word al-kuhl (الكحل), referring historically to a fine, sublimated powder of stibnite used as cosmetic eyeliner; through medieval alchemy, the term expanded across Europe to signify refined or purified spirits produced by distillation.
The constituent induced originates from the Latin verb inducere, meaning “to lead into, bring on, or cause,” highlighting an explicit causal etiology rather than an idiopathic degenerative process. Persisting stems from the Latin persistere, meaning “to continue steadfastly or endure,” emphasizing the non-transient, sustained duration of cognitive deficits following acute withdrawal. Finally, dementia is derived directly from the Latin compound dementia (from de-, signifying “out of or away from,” and mens, genitive mentis, meaning “mind”), translating literally to a state of being “out of one’s mind” or experiencing a loss of mental capacity.
3. Pronunciation & Grammatical Form
Pronunciation: /ˈæl.kə.hɒl ɪnˈdjuːst pərˈsɪs.tɪŋ dɪˈmɛn.ʃə/ (RP) or /ˈæl.kə.hɑːl ɪnˈduːst pərˈsɪs.tɪŋ dɪˈmɛn.ʃə/ (General American).
Part of Speech: Complex compound noun phrase (clinical diagnostic label).
Grammatical Variants: Grammatically, “alcohol-induced” functions as a compound participial adjective modifying the head noun phrase “persisting dementia.” In clinical literature, variants include alcohol-related dementia (ARD), chronic alcohol-induced neurocognitive disorder, and historically, alcoholic dementia. The condition can be referenced predicatively (e.g., “the patient’s neurocognitive impairment is alcohol-induced and persisting”) or attributively (e.g., “an alcohol-induced persisting dementia diagnosis”).
4. Detailed Conceptual Explanation
Alcohol-induced persisting dementia represents a distinct nosological category within neurotoxic neuropsychiatric disorders. The condition occupies a critical space at the intersection of addiction medicine, neurology, and geriatric psychiatry. At its core, the disorder reflects extensive structural brain damage resulting from prolonged, high-volume alcohol ingestion. Unlike the focal, isolated anterograde and retrograde amnesia characteristic of Korsakoff syndrome, alcohol-induced persisting dementia manifests as generalized, global cognitive deterioration that mirrors idiopathic dementias such as Alzheimer’s disease while retaining distinct neuropsychological features.
The pathological cascade underlying this syndrome encompasses dual primary mechanisms: direct ethanol neurotoxicity and secondary systemic damage. Ethanol readily crosses the blood-brain barrier, exerting direct toxic effects on neuronal membranes, intracellular signaling cascades, and neurochemical receptors. Chronic exposure precipitates excessive glutamate-mediated excitotoxicity during repeated cycles of withdrawal, downregulates protective gamma-aminobutyric acid (GABA) receptors, generates massive oxidative stress, and disrupts microvascular integrity. Concurrently, individuals with chronic alcohol use disorder frequently suffer from severe malnutrition, gastrointestinal malabsorption, and hepatic dysfunction, resulting in critical deficiencies in thiamine (vitamin B1), folate, and other neuroprotective micronutrients that accelerate cerebral atrophy.
Neurobiologically, neuroimaging studies consistently reveal profound widespread morphological alterations in patients with alcohol-induced persisting dementia. These include prominent cortical thinning, particularly within the prefrontal cortex and anterior cingulate, marked sulcal widening, ventricular enlargement, and selective vulnerability of subcortical structures such as the mammillary bodies, thalamus, and white matter tracts. The degradation of white matter integrity—specifically demyelination, axonal injury, and loss of oligodendrocytes—disrupts frontostriatal and corticocortical networks, directly causing the pervasive executive dysfunction, apathy, impulsivity, and cognitive slowing that define the clinical presentation.
The boundary conditions of alcohol-induced persisting dementia are rigorously demarcated by timing and persistence. Cognitive deficits must persist substantially beyond the periods of acute intoxication and acute physiological withdrawal, typically requiring at least several weeks to months of confirmed sobriety before a definitive diagnostic determination can be made. Furthermore, clinicians must exclude confounding etiologies such as primary neurodegenerative diseases, traumatic brain injuries (frequently comorbid with severe alcohol misuse), cerebrovascular accidents, and hepatic encephalopathy, which can cause overlapping presentations.
5. Historical Development
The recognition that chronic alcohol abuse leads to irreversible cognitive degradation has a long, turbulent history in clinical psychiatry. In the late 18th and early 19th centuries, pioneering alienists such as Benjamin Rush (1785) and Thomas Trotter (1804) first documented the chronic “imbecility” and mental decay associated with perpetual inebriation. In 1852, Swedish physician Magnus Huss coined the term alcoholismus chronicus, systematically delineating the physical and psychological devastation produced by systemic ethanol poisoning.
In the late 19th century, Russian neuropsychiatrist Sergei Korsakoff described his eponymous syndrome (1887–1889), characterized by profound amnesia and confabulation in chronic alcoholics, while Carl Wernicke (1881) identified acute hemorrhagic encephalopathy involving the brainstem and oculomotor pathways. For decades, clinical attention remained disproportionately focused on the acute Wernicke-Korsakoff complex. Consequently, many clinicians attributed all cognitive deficits in alcoholism solely to thiamine deficiency and diencephalic lesions, actively dismissing the concept of a generalized “alcoholic dementia.”
During the mid-to-late 20th century, the advent of computed tomography (CT) and magnetic resonance imaging (MRI) catalyzed a major paradigm shift. Researchers such as Courville (1955), Victor and Adams (1971), and later Ron (1982) demonstrated that long-term heavy drinkers exhibited diffuse cerebral atrophy, ventricular enlargement, and frontal lobe shrinkage that could not be accounted for solely by focal diencephalic Korsakoff lesions. In 1998, Michael Oslin and colleagues proposed formal clinical diagnostic criteria for Alcohol-Related Dementia (ARD), establishing consensus guidelines that standardized research and clinical practice. Diagnostic manuals subsequently codified these concepts, evolving from “Alcohol-Induced Persisting Dementia” in DSM-IV to “Substance/Medication-Induced Major Neurocognitive Disorder” in DSM-5, affirming the biological legitimacy of alcohol as an independent neurotoxic driver of dementia.
6. Theoretical Foundations
Theoretical frameworks explaining alcohol-induced persisting dementia synthesize cellular neurobiology, neuropsychology, and systems neuroscience. The foremost theoretical paradigm is the Dual-Etiology Framework, which posits that alcohol-induced dementia represents the cumulative consequence of both direct ethanol-related neurotoxicity and secondary thiamine-dependent metabolic failure. Rather than viewing alcohol neurotoxicity and Wernicke-Korsakoff syndrome as completely mutually exclusive entities, modern theorists conceptualize them along a continuous spectrum of alcohol-related brain damage (ARBD), wherein varying degrees of cortical atrophy and diencephalic damage interlock to produce diverse cognitive phenotypes.
A second major model is the Frontal Lobe Vulnerability Hypothesis, first formalized by Tarter and colleagues in the 1970s and 1980s. This model asserts that the frontal cortex and its extensive reciprocal subcortical connections exhibit an innate, selective biological vulnerability to ethanol toxicity. Because prefrontal regions govern higher-order executive processes—such as planning, working memory, emotional regulation, and cognitive flexibility—the primary neuropsychological hallmark of alcohol-induced dementia is an early and disproportionate breakdown of frontostriatal circuits, contrasting sharply with the early temporoparietal and entorhinal degeneration seen in primary amnestic dementias.
Additionally, the Excitotoxic Neurodegeneration Theory explains the progressive structural deterioration observed in alcohol-dependent individuals. During active intoxication, ethanol acts as an uncompetitive antagonist at ionotropic N-methyl-D-aspartate (NMDA receptors) and a positive allosteric modulator at GABA-A receptors. Chronic exposure prompts homeostatic up-regulation of NMDA receptors and down-regulation of GABA-A receptors. Consequently, during intermittent episodes of withdrawal or binge-abstinence cycles, unchecked influx of intracellular calcium triggers hyper-excitotoxicity, mitochondrial dysfunction, free radical generation, and widespread apoptotic neuronal death.
7. Key Components, Types & Dimensions
Alcohol-induced persisting dementia encompasses a broad array of cognitive, affective, and physiological dimensions:
- Executive Dysfunction: Profound deficits in abstract conceptualization, set-shifting, mental flexibility, problem-solving, impulse inhibition, and forward planning, reflecting significant prefrontal cortical degradation.
- Memory Degradation: Mild-to-moderate impairment in episodic memory encoding and delayed retrieval. Unlike pure Korsakoff amnesia, cued recall and semantic memory remain relatively preserved or benefit significantly from structured prompting.
- Visuospatial and Visuoconstructive Deficits: Impairments in spatial orientation, mental rotation, and complex spatial construction tasks, frequently assessed via geometric figure copying or block design tests.
- Psychomotor Slowing: Marked reduction in information processing speed, sustained attention, and motor reaction times due to extensive subcortical white matter disruption.
- Behavioral and Affective Dysregulation: Prominent clinical features including profound emotional blunting, chronic apathy, disinhibition, irritability, reduced empathy, and severe lack of illness insight (anosognosia).
- Cortical vs. Subcortical Phenotypes: Presentations can vary from predominantly subcortical profiles (bradyphrenia, motor slowing, executive apathy) to mixed cortical-subcortical profiles exhibiting mild aphasic, apraxic, or agnosic signs alongside profound systemic neglect.
8. Examples & Illustrative Cases
To conceptualize the presentation of alcohol-induced persisting dementia, consider the illustrative case of a 58-year-old former civil engineer admitted to a neurology clinic following concerns raised by his estranged family. The patient had a confirmed 25-year history of severe alcohol dependence, consuming approximately 120–150 grams of ethanol daily, accompanied by sporadic dietary intake and recurrent hospitalizations for acute alcohol withdrawal. Following a medically managed detox program, the patient remained abstinent in a supervised residential setting for six consecutive months. Despite complete sobriety, persistent functional debilities were evident.
Neuropsychological evaluation revealed profound executive dysfunction: the patient was incapable of managing personal finances, organizing medication regimens, or preparing multi-step meals. On the Wisconsin Card Sorting Test, he demonstrated extreme perseveration, repeatedly adhering to failed sorting rules without adjusting to examiner feedback. His episodic memory testing revealed moderate impairments in spontaneous free recall of word lists; however, his recognition scores improved markedly when provided with categorical cues, distinguishing his profile from the profound storage failure characteristic of Alzheimer’s disease.
Magnetic resonance imaging revealed prominent bilateral prefrontal atrophy, enlargement of the lateral and third ventricles, and extensive periventricular white matter hyperintensities, without the severe hippocampal atrophy typical of advanced Alzheimer’s disease. Clinical laboratory tests ruled out active liver disease, ongoing vitamin deficiencies, neurosyphilis, and endocrine abnormalities. Because these significant, multifocal cognitive impairments persisted unchanged across six months of confirmed abstinence and profoundly disrupted functional independence, a formal diagnosis of alcohol-induced persisting dementia (Substance-Induced Major Neurocognitive Disorder) was established.
9. Measurement & Assessment
Accurate measurement and diagnostic verification of alcohol-induced persisting dementia require comprehensive multidisciplinary assessment spanning clinical history, laboratory workups, neuroimaging, and standardized neuropsychological evaluation. A rigorous diagnostic approach adheres to the validated criteria proposed by Oslin et al. (1998) alongside DSM-5 parameters.
Primary diagnostic requirements dictate:
- A documented clinical diagnosis of alcohol use disorder with substantial, long-term alcohol consumption (e.g., minimum 35 standard drinks per week for men, 28 for women, sustained over more than five years).
- Documented neurocognitive deficits spanning at least two independent cognitive domains that substantially impair activities of daily living (ADLs).
- A mandatory observation window of continuous abstinence—typically between 4 to 12 weeks—prior to formal neurocognitive testing to rule out transient acute withdrawal encephalopathy or reversible intoxication effects.
Neuropsychological assessment tools must evaluate multiple functional domains:
- Global Screening: The Montreal Cognitive Assessment (MoCA) is significantly more sensitive to alcohol-related frontosubcortical impairments than the traditional Mini-Mental State Examination (MMSE), which tends to under-identify frontal executive deficits.
- Executive Functioning Batteries: Tools such as the Trail Making Test Part B, the Stroop Color and Word Test, the Wisconsin Card Sorting Test (WCST), and the Tower of London evaluate cognitive flexibility, mental speed, and response inhibition.
- Memory Assessment: The California Verbal Learning Test (CVLT) or the Wechsler Memory Scale (WMS-IV) differentiates encoding and retrieval deficits from primary consolidative storage failure.
- Neuroimaging Modalities: High-resolution structural MRI and diffusion tensor imaging (DTI) quantify cortical gray matter loss, ventricular enlargement, and fractional anisotropy reductions within the corpus callosum and fronto-cerebellar tracts, assisting in the differential exclusion of vascular dementia and primary degenerative tauopathies.
10. Applications & Practical Significance
The practical implications of alcohol-induced persisting dementia extend across clinical treatment planning, long-term care management, forensic law, and social welfare infrastructure. In clinical and psychiatric settings, recognizing the condition ensures that patients are not mislabeled with Alzheimer’s disease or dismissed as merely “uncooperative” or “unmotivated.” Individuals with this disorder frequently struggle to adhere to conventional outpatient substance abuse therapies (such as twelve-step meetings or complex cognitive-behavioral relapse prevention protocols) because their executive impairments prevent them from understanding, memorizing, or applying therapeutic strategies.
Intervention paradigms must be adapted to accommodate frontosubcortical limitations. Supportive strategies emphasize structured behavioral routines, environmental modifications, high-repetition skill acquisition, and close caregiver management. In long-term institutional and residential care, establishing nutritional stabilization—including aggressive parenteral or oral thiamine and multivitamin supplementation—is critical to prevent further metabolic decompensation.
Forensically and legally, the condition raises significant questions regarding civil capacity, decision-making competency, and conservatorship. Because individuals with alcohol-induced persisting dementia often exhibit pronounced anosognosia—vehemently denying their physical and cognitive deficits—they are vulnerable to self-neglect, financial exploitation, and involuntary legal proceedings. Expert psychiatric testimony is frequently required in probate court to evaluate testament capacity and determine the necessity of legal guardianship.
11. Research & Empirical Evidence
Extensive empirical research has clarified the neurobiology, epidemiological profile, and potential for neurocognitive reversibility in alcohol-induced persisting dementia. Seminal neuroimaging studies led by Pfefferbaum, Sullivan, and colleagues (e.g., Pfefferbaum et al., 1998, 2001) using quantitative MRI established that chronic alcoholics display significant cortical volume loss that correlates directly with cumulative lifetime ethanol consumption. Their work demonstrated that the prefrontal cortex, anterior corpus callosum, and cerebellar vermis sustain the most extensive microstructural disruption.
Crucially, longitudinal investigations (e.g., Sullivan et al., 2000; Bartsch et al., 2007) have highlighted the unique phenomenon of partial structural and functional recovery. Unlike primary progressive degenerative disorders such as Alzheimer’s disease, which follow an irreversible downward trajectory, alcohol-induced dementia can stabilize or partially reverse following sustained, absolute abstinence. Magnetic resonance spectroscopy (MRS) and volumetric MRI reveal that within several months to a year of sustained sobriety, patients often exhibit partial remyelination, ventricular shrinkage, recovery of brain volume, and measurable gains in attention and psychomotor processing speed.
Epidemiological research by Ridley et al. (2013) and large-scale population cohort studies by Schwarzinger et al. (2018) published in The Lancet Public Health have reinforced the profound public health burden of alcohol-related brain damage. Analyzing over 30 million hospital records, Schwarzinger and colleagues identified alcohol use disorders as the single strongest modifiable risk factor for the onset of all types of dementia, particularly early-onset dementia (diagnosed before age 65), wherein alcohol-related conditions accounted for over 50% of documented cases.
12. Cultural & Cross-Cultural Considerations
The prevalence, recognition, and societal management of alcohol-induced persisting dementia vary dramatically across cultural and geographic regions, largely reflecting distinct societal drinking patterns, public health policies, and healthcare infrastructure. In regions characterized by high per-capita alcohol intake and cultural patterns of intense episodic binge drinking—such as parts of Eastern Europe, the United Kingdom, and Australia—the incidence of alcohol-related brain damage is recognized as a pressing public health priority, prompting dedicated specialized residential treatment initiatives.
Conversely, in many low- and middle-income nations or regions where mental health stigma remains pervasive, chronic cognitive impairment in alcohol-dependent individuals is frequently misattributed to normal aging, moral failure, or untreated psychiatric disorders. Stigma surrounding alcohol addiction often acts as a major barrier to healthcare access, preventing early intervention during the reversible stages of Wernicke’s encephalopathy before permanent dementia becomes established.
Furthermore, socioeconomic disparities significantly influence disease vulnerability. Populations experiencing severe poverty, food insecurity, and chronic marginalization suffer compounding nutritional deficits that drastically elevate the risk of thiamine-deficiency-mediated neurodegeneration alongside direct alcohol neurotoxicity. Public health interventions targeting the fortification of staple foods (such as white flour) with thiamine—a policy successfully implemented in countries like Australia—have demonstrated measurable efficacy in reducing the incidence of acute alcohol-induced neurodegenerative emergencies on a systemic scale.
13. Criticisms, Debates & Limitations
Despite its widespread clinical recognition, the nosology of alcohol-induced persisting dementia remains the subject of ongoing scientific debate. Historically, skepticism centered on whether ethanol possesses sufficient direct neurotoxicity in humans to induce a generalized dementia syndrome in the complete absence of comorbid thiamine deficiency, head trauma, hepatic dysfunction, or cerebrovascular injury. Critics, including prominent neuropathologists, noted that post-mortem examinations of chronic alcoholics rarely reveal a single, uniform neurohistopathological lesion that uniquely pathognomonicates “alcoholic dementia” in the way neurofibrillary tangles and amyloid-beta plaques define Alzheimer’s disease.
This has led some researchers to argue that “alcohol-related dementia” is an umbrella term encompassing a heterogeneous mixture of distinct clinical entities, including unmanaged Korsakoff syndrome, subclinical vascular dementia caused by alcohol-induced hypertension, and minor traumatic brain injuries sustained during intoxication. However, modern consensus panels counter this criticism by maintaining that ethanol exert direct, synergistic toxic effects on brain biology, arguing that separating ethanol toxicity from its metabolic consequences is clinically artificial and biologically reductive.
An additional diagnostic challenge lies in diagnostic overlap. Because patients presenting with alcohol-induced persisting dementia are frequently in their 50s, 60s, or 70s, establishing whether their cognitive decline is purely alcohol-induced or represents the unmasking or acceleration of underlying early-stage Alzheimer’s pathology or vascular cognitive impairment remains extraordinarily difficult. Current clinical biomarkers (such as amyloid PET imaging and CSF tau/p-tau levels) are increasingly utilized to disentangle these complex, multi-etiology neurodegenerative presentations.
14. Related Terms & Distinctions
Differentiating alcohol-induced persisting dementia from related neuropsychiatric conditions is vital for clinical diagnosis and prognosis:
- Wernicke-Korsakoff Syndrome (WKS): A classical two-stage neuropsychiatric disorder caused by acute thiamine (vitamin B1) deficiency. Wernicke’s encephalopathy presents acutely with the triad of ataxia, ophthalmoplegia, and confusion, whereas Korsakoff syndrome represents a chronic, disproportionate amnestic disorder characterized by severe anterograde amnesia and confabulation with relatively preserved general intelligence. In contrast, alcohol-induced persisting dementia features diffuse, global cognitive decline affecting multiple domains beyond isolated memory loss.
- Alzheimer’s Disease: A primary neurodegenerative disorder marked by progressive cortical amyloid-beta plaques and hyperphosphorylated tau neurofibrillary tangles. Alzheimer’s typically begins with profound rapid-forgetting episodic memory deficits (storage failure) that progress relentlessly, whereas alcohol-induced dementia exhibits prominent early executive dysfunction, stable or non-progressive courses during sustained sobriety, and memory deficits primarily driven by retrieval failure.
- Vascular Dementia: Cognitive impairment secondary to cerebrovascular insults (infarctions, microbleeds, ischemic white matter damage). While chronic heavy drinking significantly increases vascular risk, pure vascular dementia requires radiographic and focal neurological evidence of direct cerebrovascular disease.
- Hepatic Encephalopathy: A metabolic neuropsychiatric disorder resulting from severe acute or chronic liver failure, characterized by fluctuating cognitive status, asterixis, elevated serum ammonia, and triphasic EEG patterns. While alcoholics with cirrhosis may develop this condition, its deficits are metabolic, fluctuating, and potentially rapidly reversible upon liver compensation, unlike the enduring structural lesions of persisting dementia.
- Substance-Induced Delirium: An acute, fluctuating disturbance in attention, awareness, and baseline cognition occurring during severe intoxication or acute alcohol withdrawal (such as Delirium Tremens). Delirium is transient and rapidly resolving upon medical stabilization, whereas persisting dementia endures for months or years following acute detoxification.
15. Summary / Key Takeaways
Alcohol-induced persisting dementia is a debilitating, widespread clinical condition defined by permanent or long-lasting multi-domain cognitive deterioration directly resulting from chronic, heavy alcohol exposure and secondary metabolic insults. Prominently affecting executive functioning, memory retrieval, visuospatial reasoning, and emotional regulation, the condition stems from ethanol-mediated neurotoxicity, white matter degradation, prefrontal cortical atrophy, and compounding nutritional deficiencies.
Unlike the relentless, progressive decline typical of idiopathic neurodegenerative diseases, alcohol-induced dementia frequently stabilizes—and can exhibit meaningful partial recovery—provided that complete, permanent sobriety is established alongside aggressive nutritional rehabilitation. Diagnostic clarity demands structured neuropsychological assessment following a minimum period of sustained abstinence. A comprehensive understanding of this clinical entity is essential for developing tailored rehabilitation programs, addressing public health policies, and reducing the preventable societal burden of alcohol-related brain damage.
Ultimately, addressing alcohol-induced persisting dementia requires moving past outdated dichotomies regarding whether chronic cognitive deficits stem purely from direct toxic insults or nutritional deprivations. By approaching the condition as a systemic, multifactorial neurocognitive disorder, modern medicine can better implement targeted public health strategies, enhance diagnostic accuracy, and deliver compassionate, structured care to affected individuals.
References
- Bartsch, A. J., Homola, G., Biller, A., Smith, S. M., Weijers, H. G., Wiesbeck, G. A., Jenkinson, M., De Stefano, N., Solymosi, L., & Bendszus, M. (2007). Manifestations of early brain recovery associated with abstinence from alcohol. Brain, 130(1), 36–47. https://doi.org/10.1093/brain/awl303
- Oslin, D., Atkinson, R. M., Smith, D. M., & Hendrie, H. (1998). Alcohol-related dementia: Proposed clinical diagnostic criteria. International Journal of Geriatric Psychiatry, 13(4), 203–212. https://doi.org/10.1111/j.1530-0277.1998.tb03991.x
- Ridley, N. J., Draper, B., & Withall, A. (2013). Alcohol-related dementia: An update of the evidence. Alzheimer’s Research & Therapy, 5(1), 3. https://doi.org/10.1186/alzrt157
- Schwarzinger, M., Pollock, B. G., Hasan, O. S., Dufouil, C., & Rehm, J. (2018). Contribution of alcohol use disorders to the burden of dementia in France 2008–13: A nationwide retrospective cohort study. The Lancet Public Health, 3(3), e124–e132. https://doi.org/10.1016/S2468-2667(18)30022-7