The consumption of alcohol and its relationship to dementia, especially Alzheimer's disease, has been the subject of numerous scientific studies. Recently, research has suggested that excessive alcohol consumption may accelerate Alzheimer's progression by up to 70%.

A study published in the journal eNeuro revealed that mice regularly exposed to high levels of alcohol showed cognitive decline approximately two months earlier than those not exposed. This finding suggests that the introduction of ethanol in a genetically predisposed context can accelerate the onset of the disease by several months or even years. (20minutos.es)

Additionally, researchers observed that the neurons of alcohol-exposed mice showed significant alterations in the expression of genes associated with key processes related to Alzheimer’s, such as neuronal excitability, neurodegeneration, and inflammation. These changes were not limited to neurons but also affected support cells like astrocytes, microglia, and endothelial cells. 

Impact of Alcohol on Brain Health

Excessive alcohol consumption has been identified as a significant risk factor for developing dementia and, more generally, for brain damage. It is estimated that up to 40% of dementia cases worldwide could be prevented or delayed by modifying risk factors, including excessive alcohol consumption. 

Alcohol can lead to a series of adverse effects on the brain, such as brain volume loss or atrophy, especially in white matter, which leads to cognitive impairment. Drinking more than 21 standard drink units per week is associated with a higher risk of dementia. 

Recommendations for Brain Health

To reduce the risk of developing dementia, it is essential to adopt healthy lifestyle habits, including:

Limiting or avoiding alcohol consumption: Reducing alcohol intake can significantly decrease the associated risk of developing dementia. 

Maintaining a balanced diet: Consuming nutrient-rich foods that support brain health.

Engaging in regular physical activity: Physical exercise contributes to overall well-being and brain health.

Participating in social and cognitive activities: Staying socially active and engaging in activities that stimulate the brain can help preserve cognitive functions.

In conclusion, current scientific evidence indicates that excessive alcohol consumption can accelerate Alzheimer’s disease progression and increase the risk of developing dementia. Taking preventive measures, such as limiting alcohol consumption and maintaining a healthy lifestyle, is essential to protect long-term brain health.