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Are You Putting Your Brain at Risk Without Knowing It?

If you’ve ever had a loved one struggle with dementia, you know how heartbreaking it can be.

The memory loss, confusion, and changes in behavior can feel like a slow fade of the person you once knew.

While there’s still much to learn about this condition, research continues to uncover new ways to reduce its risk—and one of those may be closer to home than we realize…

We’ve talked before about the impact of lifestyle choices on dementia risk. Now, new research suggests that any amount of alcohol can increase the risk of developing dementia.

Let’s unpack the findings.

While heavy drinking has long been associated with cognitive decline, this study found that even light or moderate alcohol consumption raises the risk of dementia.

Using genetic data, researchers identified a direct link between alcohol intake and increased dementia risk.

And the more alcohol consumed, the higher the risk—there’s no level of alcohol consumption that’s completely safe for brain health.

This challenges previous studies that suggest moderate drinking—particularly red wine—might have protective effects on the brain.

But according to experts, those older findings may have been influenced by something called “abstainer bias”, where people who previously drank and stopped for health reasons were counted as non-drinkers.

This skewed the data to make light drinking seem healthier than it truly is.

Why is alcohol so harmful to the brain? According to Dr. Clifford Segil, a neurologist at Providence Saint John’s Health Center, alcohol acts as a central nervous system depressant.

Over time, it can cause brain atrophy—the shrinking of brain cells—and damage to memory centers like the hippocampus. Chronic alcohol use also depletes important nutrients like thiamine, a B-vitamin crucial for memory and cognition.

For seniors, who are already at higher risk for cognitive decline, the implications are clear: alcohol could be silently chipping away at your brain health.

And while it’s important to be aware of these risks, it’s also important to live fully. We’re not saying to give up your occasional glass of red wine, but exercise an abundance of caution. After all, moderation is key when it comes to protecting your brain as you age.

If you’re worried about dementia and want to take steps to reduce your risk, here are a few things you can do:

  • Limit alcohol intake: If you do enjoy a drink, keep it to special occasions and avoid making it a daily habit.
  • Focus on brain-boosting activities: Stay mentally and physically active. Activities like reading, walking, and even puzzles can help protect your brain health.
  • Maintain a balanced diet: Incorporate foods rich in omega-3s, antioxidants, and vitamins that support brain function.

While dementia has many risk factors, reducing alcohol consumption is one step you can take to help protect your cognitive health for the long run.

To making choices that protect your mind,

Rachel Mace
Managing Editorial Director, e-Alert
with contributions from the research team

P.S. Click here to learn the surprising link between belly bugs and your brain health.

Sources:

Berman, R. (2024, September 13). Dementia risk rises with any amount of alcohol use, new study suggests. Medicalnewstoday.com; Medical News Today. https://www.medicalnewstoday.com/articles/dementia-risk-rises-with-any-amount-of-alcohol-use#Alcohol-only-one-factor-in-dementia-risk

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