February 14, 2026

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Heavy and Even Moderate Drinking Can Cause Brain Damage Tied to Dementia

Heavy drinkers were specifically at 133% increased risk for hyaline arteriolosclerosis. Heavy and former heavy drinkers were also at an increased risk for neurofibrillary tangles, which are related to Alzheimer’s disease pathology. ARBD doesn’t always get worse over time, unlike common causes of dementia such as Alzheimer’s disease. If a person with ARBD stops drinking alcohol and receives good support, they may be able to make a partial or even full recovery.

Management and Treatment

Firstly, the person is likely to need support to help them stop drinking alcohol. They may be given  special prescription drugs to reduce their craving for alcohol. They will also need to take high-dose thiamine (vitamin B1) tablets and eat a healthy, balanced diet, and have counselling or ‘talking therapies’. Many people with alcohol-related ‘dementia’ have to wait in hospital for a long time before they can get specialist care. Depending on how serious their condition is, they could be supported in residential care, sheltered accommodation or in their own home – with support in the community. For example, if the person stops drinking alcohol, takes high doses of thiamine and starts eating a balanced diet.

Results of the Reviewed Studies

Once alcohol reaches the brain, it can damage the neurons that reside there. Over many years, this ongoing assault on these cells can cause alcohol-related dementia, a form of brain damage that can lead to cognitive challenges with memory and problem-solving. Among the 1,518 participants screened, late-onset alcohol abuse can drinking alcohol cause dementia affected 2.2 percent, higher than the 1.7 percent for older adults overall. They also found that alcohol abuse as a first symptom occurred in 1.4 percent of all patients, five times more frequently in patients with bvFTD than those with Alzheimer’s-type dementia. A vitamin B1 deficiency resulting from excessive alcohol consumption may also cause Wernicke-Korsakoff syndrome, rather than the disorder being a direct result of alcohol misuse.

Does alcohol increase the risk of dementia?

The doctor may also ask about problems with mood, such as anxiety or depression. Read our tips for supporting a person with ARBD (alcohol-related dementia and Wernicke-Korsakoff’s). A lifelong approach to good health is the best way to lower your risk of dementia. If you or a loved one is living with AUD, it can be challenging to stop drinking. Alcohol withdrawal can be dangerous if you abruptly stop drinking after consuming large amounts of alcohol for a long time.

can drinking alcohol cause dementia

Coping With Long-Term Effects

can drinking alcohol cause dementia

Living with or taking care of someone with this condition can take a significant toll not just emotionally, but also financially. The content in this blog is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

  • Cognitive abilities of the deceased were determined by input from the next of kin, who had at least weekly contact with the study subjects during the six months preceding death.
  • Lewy body dementia is another progressive type of dementia that causes an accumulation of proteins called Lewy bodies in various brain areas.
  • Some patients presented with alcoholism as the first symptom, preceding other cognitive or behavioral changes.
  • Alcohol-related ‘dementia’ or Wernicke-Korsakoff syndrome will cause them to struggle with day-to-day tasks.
  • Heavy drinking can lead to cognitive impairment, and in severe cases it can cause “alcohol-induced dementia,” says Amber Robins, MD, a double board-certified family and lifestyle medicine physician.

This literature review indicates that chronic alcohol misuse accelerates brain aging and contributes to cognitive impairments, including those in the mnemonic domain also affected in Alzheimer’s disease. In most cases, symptoms of alcohol-related dementia stop progressing and even improve once a person quits drinking, according to the Alzheimer’s Society. Moderate drinking typically means up to one drink per day for women and two for men.

The average age of participants was around seventy-five years old, and the sample was ethnically diverse. Participants were at least fifty and had a next of kin who had been contacting them at least weekly in the 6 months before their death. This study was a cross-sectional population-based autopsy study conducted in Brazil. Jason Chua, Drug rehabilitation MD, PhD, is an assistant professor in the Department of Neurology and Division of Movement Disorders at Johns Hopkins School of Medicine. Your provider will help you set realistic expectations based on your health and unique situation. You may need to stay in the hospital or a residential rehab center to make sure you’re safe while you adjust to living without alcohol.

While more research is needed, the results indicate the possible damaging effect of alcohol on the brain. According to the Centers for Disease Control and Prevention (CDC), drinking alcohol can increase the risk of cancer, and excessive use can increase the risk of high blood pressure, heart disease, and stroke. In our research, we observed a higher representation of individuals with late-onset alcoholism in the group with dementia, particularly frontotemporal dementia.

They may also require medications to help manage symptoms and conditions due to excessive alcohol use. Drinking alcohol with Aricept (donepezil), https://automaisrastreamento.com.br/2022/02/03/15-best-ways-to-stop-drinking-alcohol-what-to/ a medication for certain types of dementia, can prevent it from working properly and increase the risk of side effects. The study defined moderate drinking as consuming 1–13 standard drinks per week, equivalent to 10–130 grams (g) per week.

  • This means that over months and years, they have a higher risk of malnutrition, including a lack of vitamins such as thiamine (vitamin B1).
  • It can lead to dementia-like symptoms, including memory loss and mood changes.
  • While researchers didn’t find a direct effect between alcohol consumption and cognition, they concluded that hyaline arteriolosclerosis may impair cognitive symptoms in people who drink alcohol.
  • This means there are fewer cells to carry the messages that the brain needs to do different tasks.

Alcohol-related dementia can occur at any age, and it is expected to worsen rapidly (within a few years) after the initial symptoms begin. Overall, the results showed worse outcomes related to alcohol consumption. Researchers then sought to examine the brains for several changes, including those that indicated Alzheimer’s disease. Dr. Chua’s primary research interests are in neurodegenerative disease, with a special focus on the cellular housekeeping pathway of autophagy and its impact on disease development in diseases such as Parkinson disease. His work has been supported by multiple research training and career development grants from the National Institute of Neurological Disorders and Stroke and the American Academy of Neurology. He is the primary or coauthor of 14 peer-reviewed scientific publications and two peer-reviewed online learning modules from the American Academy of Neurology.