The Relationship Between Alcohol and THE Dementia: What Does Research Say?

Woman sipping wine with text overlay discussing the impact of alcohol on dementia risk

Dementia, an umbrella term for various cognitive impairments, including Alzheimer’s disease, affects approximately 57 million people globally. It poses significant challenges for individuals, caregivers, and healthcare systems alike. While genetics play a role in its development, lifestyle choices are emerging as potentially modifiable risk factors and alcohol consumption has garnered particular attention.

Considering the subject: Alcohol and THE Dementia; regarding the consumption of alcohol, it is widely known that in excessive amounts has the potential to elevate the likelihood of developing dementia, either through direct or indirect means. On the other hand, there is an assumption that consuming alcohol in light to moderate amounts may have positive effects on cardiovascular health, which in turn may be linked to a decreased chance of developing dementia. Multiple studies have revealed that the consumption of alcohol in light to moderate amounts may potentially be linked to a reduced risk of developing dementia when compared to complete abstinence from alcohol.

In this article, we are going to share some evidence-based facts on the ‘Alcohol and THE Dementia’ impact of alcohol consumption on the likelihood of developing dementia.



Today, the harmful use of alcohol is a problem all over the world. It is the third biggest risk factor for chronic disease. Consequently, alcohol is considered a leading cause of death. Additionally, alcohol consumption is responsible for 2.5 million deaths annually, while alcohol abuse has been linked to approximately 60 types of systemic illnesses.

The way alcohol affects the ability to think and make rational decisions is often considered a big risk factor in developing dementia in an individual. So far, much research on this topic has been conducted. However, the findings have not been consistent. This may be due to different associated variables considered in the respective studies. For example, age can be a major factor where higher age and alcohol consumption might show a clear risk of dementia, but the same may not be true with someone in their 30s.

Studying the impact of ‘Alcohol and THE Dementia’, in regards to the risk  is crucial for various reasons. It allows us to inform and educate individuals living with dementia as well as their carers about potentially modifiable factors that can affect their cognitive health. By fostering awareness, promoting responsible drinking, and considering individual differences, we aim to empower those affected by dementia to make informed choices that positively influence their overall well-being.


EXPLORING THE RESEARCH for “alcohol and THe Dementia”

Multiple scientific studies have been conducted to investigate the link between alcohol consumption and dementia risk. These studies have yielded varying results, making it difficult to draw definitive conclusions. Some studies suggest that moderate alcohol consumption may be associated with a reduced risk of dementia, while others caution against excessive alcohol intake due to its potential to significantly increase the risk.

According to research by Langballe et al. (2015), there exists a positive correlation between regular alcohol drinking and a higher likelihood of developing dementia, in contrast to the lower risk observed among individuals who consume alcohol infrequently. The findings suggest a similar pattern of connections between Alzheimer’s disease and vascular dementia, however, the statistical significance of the latter results was not observed.

A systematic review published in the BMC Geriatric found that alcohol use is associated with an increased risk of dementia. The study also examined the combined effect of alcohol use and the APOE4 genotype on dementia risk, and it showed that participants who were heavy drinkers and carried the APOE4 gene had a higher risk of developing dementia.

Another study conducted in South Korea and published in JAMA Network analyzed changes in alcohol consumption and the risk of dementia. The researchers tried to investigate whether a change in alcohol consumption is associated with the incidence of dementia. The cohort study was conducted on 3,933,382 individuals in Korea. It found that both increased and decreased alcohol consumption were associated with an elevated risk of dementia. The study concluded that changing alcohol consumption patterns may have a significant impact on dementia risk. People who consumed alcohol at mild to moderate levels were significantly at less risk of developing dementia than those who continued heavy consumption.

Alzheimer’s Society states that research studies have suggested that light to moderate alcohol consumption may have a protective effect against dementia. However, excessive alcohol consumption can increase the risk of developing dementia. The exact mechanisms behind these effects are not fully understood. This finding is consistent with the findings of Jeon et al. (2023).

A systematic scoping review published in Alzheimer’s Research & Therapy explored the association between alcohol use and dementia. The review identified alcohol use as a risk factor for dementia and cognitive decline. However, the specific patterns of drinking and their impact on dementia risk are still being investigated.

Overall, despite having contradictory findings most research outcomes indicate that a controlled and responsible drinking habit may be associated with a lower risk of developing dementia. However, it is always best to consult with your doctor about what they prescribe you as there are several other factors that may work differently regarding the chances of developing dementia with the consumption of alcohol. In the following section, we are going to discuss some of these factors.



It is crucial to consider other lifestyle factors that may influence the association between alcohol consumption and dementia risk. Age, gender, socioeconomic status, and co-morbid conditions can all play a role in determining the impact of alcohol on cognitive health. For instance, age-related changes in metabolism affect how alcohol is processed in the body, potentially altering its effects on the brain. Additionally, individuals with preexisting health conditions or lower socioeconomic status may be more vulnerable to the detrimental effects of excessive alcohol consumption.

When studying the impact of ‘Alcohol and THE Dementia’ risks, it is important to consider various other factors that could influence this relationship. In this section, we will explore some key factors that may contribute to the development or progression of dementia, regardless of alcohol consumption.

1. Age and Genetics

Age is a significant factor in the onset of dementia, as the risk increases with advancing age. Additionally, genetics can play a role in determining an individual’s susceptibility to developing certain types of dementia. It is crucial to take these factors into account while assessing the impact of alcohol on dementia risk.

2. Lifestyle and Overall Health

Unhealthy lifestyle choices such as smoking, poor diet, lack of physical exercise, and chronic illnesses like hypertension or diabetes can increase the risk of developing dementia. These factors need to be considered alongside alcohol consumption when studying its impact on dementia risk.

3. Brain Health and Cognitive Reserve

Individuals with higher cognitive reserve – built through activities like education, mental stimulation, and engagement in social interactions – tend to experience fewer cognitive symptoms even in the presence of brain changes associated with dementia. Understanding an individual’s level of cognitive reserve is vital when assessing the combined impact of alcohol consumption and their overall brain health on the risk of dementia.

4. Medications and Substance Use

Certain medications, including those used for treating hypertension or depression, can potentially impact cognitive function. Additionally, long-term substance abuse or illicit drug use may have detrimental effects on brain health and increase vulnerability to developing dementia.

5. Existing Medical Conditions

Pre-existing medical conditions such as cardiovascular disease or cerebrovascular disorders can contribute significantly to an individual’s likelihood of experiencing cognitive decline or developing vascular dementia. Assessing these conditions alongside alcohol consumption is essential for a comprehensive understanding of their combined effect on dementia risk.



Reputable health organizations have established guidelines to help individuals make informed decisions about alcohol consumption. These guidelines aim to balance potential benefits and risks, acknowledging that moderate alcohol intake may be acceptable for some while discouraging excessive consumption. For example, the Centers for Disease Control and Prevention (CDC) recommends limiting alcohol consumption to moderate levels, defined as up to one drink per day for women and up to two drinks per day for men.

However, before considering any changes in an individual’s alcohol consumption, it is essential to consult with healthcare professionals specializing in dementia care. They can provide personalized guidance based on the person’s specific condition, medical history, and current medications.

Each person’s needs and preferences are unique, so it is important to consider these factors when determining alcohol consumption guidelines for someone living with dementia. Evaluating their overall health, cognition levels, behavior patterns, and personal values can help caregivers make informed decisions.

For individuals whose doctors advise that moderate alcohol consumption may be acceptable, it is crucial to monitor intake closely. Caregivers should keep track of the quantity of alcohol consumed over a specific period and observe potential changes in behavior or cognition as a result.



The association between alcohol consumption and the risk of developing dementia is a complex issue that warrants careful consideration. While research has suggested the potential protective effects of moderate alcohol intake, it is essential to weigh these against the potential risks associated with excessive consumption. Each individual’s circumstances, including genetics, age, and overall health profile, should be taken into account when making decisions about alcohol consumption.

While it’s important not to draw sweeping conclusions about alcohol consumption’s impact on dementia, many researchers have identified moderation as a key principle when it comes to drinking responsibly. Highlighting these findings can assist individuals in making informed decisions about their alcohol intake while considering its potential implications for cognitive health.

Ultimately, promoting awareness and informed decision-making is crucial in addressing the relationship between alcohol consumption and dementia. Further research is needed to determine precise thresholds and mechanisms governing this association. Until then, individuals are encouraged to adhere to reputable guidelines and consult with healthcare professionals to make decisions that prioritize their cognitive health.


Langballe et al. (2015). Alcohol consumption and risk of dementia up to 27 years later in a large, population-based sample: the HUNT study, Norway. European Journal of Epidemiology, 30(9), 1049-1056.

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Cherie Voise

Cherie Voise, inspired by personal experiences and driven by her role as an advocate, founded Voise Foundation to improve the lives of those with dementia. As the foundation's key content creator and blog author, she draws on her deep understanding of the disease, advocating for respect, dignity, and creative therapy avenues such as VST Music© and other programs. Cherie's heartfelt writings, fueled by empathy, resonate with readers, offering insight and stirring action. Become a part of this journey and together with Cherie, let's make a meaningful impact in the world of dementia care.