Can Coffee and Alcohol prevent Alzheimer’s Disease?

May 15, 2017 , ,

It’s now well known that to prevent Alzheimer’s disease and other neurodegenerative illnesses, a healthy lifestyle is essential; regular exercise, a healthy weight, not smoking, eating a Mediterranean diet, etc.

But what about specific foods? Is there evidence to suggest that consuming coffee or alcohol, for example, could help Alzheimer prevention? I’ll answer the question in more detail in this article.


Several years ago, you might have heard that drinking coffee could help prevent Alzheimer’s disease… as is often the case, the media present the results of scientific studies in a way that is much too simplified.

Does this mean that we need to start drinking cup after cup of coffee in the hope of preventing or postponing the development of Alzheimer’s disease? Thankfully (or unfortunately …) not. Given that most of these studies were observational, we cannot know whether (or how) coffee prevents Alzheimer’s. The study observed that in people who regularly consumed coffee (around three cups of coffee or 400mg of caffeine a day), cognitive decline was slowed down, and less apparent than in people who didn’t consume any coffee or those who consumed large quantities of it.

In brief, if you already drink a few cups of coffee a day, good news, it seems it may have a protective effect. However, if you’re not a coffee drinker, we don’t have enough evidence to encourage you to drink it to prevent Alzheimer’s disease.


As with coffee, some observational studies have shown that small to moderate consumption of alcohol by “older” adults is associated with a lower risk of dementia and of developing Alzheimer’s disease.

However, as we know that consuming alcohol comes with serious health risks, we do not recommend drinking alcohol to reduce your risk of Alzheimer’s disease.


In a nutshell, we don’t yet have enough proof to promote certain drinks for Alzheimer prevention. To the best of our knowledge, having a healthy lifestyle throughout your life seems to be the best thing to do.

Our meal plans to prevent Alzheimer’s Disease can help you make healthier dietary habits.

Meal plans for the prevention of Alzheimer's Disease



Jef L'Ecuyer
Member of the Quebec College of Dietitians (ODNQ) and Dietitians of Canada,Jef graduated from McGill University in December 2014. Recently graduated and passionate about culinary arts, Jef poses a simple, effective and practical look at daily meal planning. With this in mind, she works in conjunction with the mission of SOSCuisine...

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