Drinking coffee is a common habit for many people around the world, and its effects on health have been extensively studied. For individuals with Alzheimer’s disease, understanding the safety and potential benefits of coffee consumption is crucial. Recent research suggests that moderate coffee consumption may have protective effects against neurodegenerative diseases, including Alzheimer’s.
A study published in The American Journal of Clinical Nutrition found that older adults who consumed unsweetened black coffee had a lower risk of Alzheimer’s disease, Parkinson’s disease, and related dementia. Specifically, those who drank unsweetened coffee had a 29% to 30% lower risk compared to non-coffee drinkers[1]. This suggests that unsweetened coffee might be beneficial for individuals concerned about neurodegenerative diseases.
Another study published in the Journal of Agricultural and Food Chemistry explored the potential protective effects of espresso on Alzheimer’s disease. Researchers found that compounds in espresso helped prevent the aggregation of tau protein, a process linked to neurodegeneration. This study was conducted in vitro, meaning it was not performed on humans, but it provides promising insights into how coffee might influence Alzheimer’s progression[2].
In addition to these studies, coffee has been shown to have broader health benefits. Moderate coffee consumption, typically defined as 2 to 5 cups per day, has been associated with a reduced risk of cardiovascular diseases and stroke[5]. Coffee contains compounds like polyphenols, which contribute to its health benefits by supporting gut health and potentially enhancing brain function[3].
For individuals with Alzheimer’s disease, it is essential to consider the overall dietary and lifestyle context. While coffee may offer some benefits, it should be consumed in moderation. Adding large amounts of sugar or cream can increase calorie intake, which might not be ideal for everyone, especially those managing weight or diabetes. However, research indicates that adding sugar does not necessarily negate the health benefits of coffee[5].
Green tea is another beverage that has been studied for its potential cognitive benefits. A study found that moderate consumption of both green tea and coffee reduced the risk of cognitive decline in older individuals[3]. Green tea contains L-theanine, which promotes relaxation and may complement the stimulating effects of coffee.
In terms of longevity, a combination of coffee, tea, and water has been linked to a lower risk of mortality. A study found that individuals who consumed a balanced mix of these beverages had a 28% lower risk of death from any cause compared to those who drank fewer than four beverages per day[4].
Overall, while coffee may offer some protective effects against Alzheimer’s disease, it is crucial for individuals with the condition to consult with healthcare professionals before making significant changes to their diet. This ensures that any dietary adjustments align with their overall health needs and treatment plans.
Sources:
1. https://www.upworthy.com/scientific-study-suggests-black-coffee-reduces-risk-of-alzheimers-and-parkinsons-disease
2. https://www.mindbodygreen.com/articles/this-type-of-coffee-could-protect-against-alzheimers-study-says-protect-against-alzheimer
3. https://timesofindia.indiatimes.com/life-style/health-fitness/coffee-vs-green-tea-which-drink-supercharges-the-brain-and-fights-alzheimers/articleshow/124574062.cms
4. https://www.medicalnewstoday.com/articles/daily-combo-of-water-coffee-and-tea-linked-to-longevity
5. https://www.coffeeandhealth.org/health/media-content/information-campaign/debunking-coffee-myths-the-truth-behind-your-brew





