Gee, this as been known for years and YOUR INCOMETENT? DOCTOR STILL HASN'T INSTALLED A 24-HOUR COFFEE STATION!
How did you manage to miss that caffeine is likely not the beneficial compound?
How Coffee May Protect Brain Health: A New Study Suggests The Benefits Aren't Just From Caffeine December 2018
The coffee benefits have been out there for years! IF YOUR DOCTOR WAS COMPETENT AT ALL A 24 HOUR COFFEE STATION WOULD HAVE ALREADY BEEN INSTALLED! Since nothing was done your board of directors is so incompetent they don't know they have incompetent persons working for them?
I do coffee all day, takes that long to get in a 12 cup pot of coffee. This won't change my habit, it's mainly to reduce my dementia and Parkinsons risk and no one knows the amounts for that.
I'm still doing a 12 cup pot of coffee daily to prevent Parkinsons and frailty! Much more important than any problems it can cause.
How coffee protects against Parkinson’s Aug. 2014
Coffee May Lower Your Risk of Dementia Feb. 2013
Coffee drinkers rejoice! Drinking coffee could lower the risk of Alzheimer’s disease
And this: Coffee's Phenylindanes Fight Alzheimer's Plaque December 2018
New research suggests drinking coffee may reduce the risk of frailty May 2025
I think I'm in this category: I never get
the jitters or flushed skin.
Genetics determine how much coffee you can drink before it goes wrong
I'm doing a 12 cup pot of coffee a day with full fat milk to lessen my chances of dementia and Parkinsons. Tell me EXACTLY how much coffee to drink for that and I'll change. Yep, that is a lot more than the 400mg. suggested limit, I don't care! Preventing dementia and Parkinsons is vastly more important than whatever problems it can cause!
Of course, your fuckingly incompetent? doctor did nothing with this from 2+ years ago! And still hasn't created a 24 hour coffee station
This line is great: The findings indicate that even the Espresso Martini cocktail contains the espresso's beneficial compounds - and can contribute to staving off dementia.
The latest here:
This everyday drink is linked to an 18% lower risk of dementia, according to a 43-year studyResearchers followed nearly 132,000 adults for decades, tracking diet and health outcomes to uncover patterns in long-term cognitive decline.
Key Points
- A decades-long study of nearly 132,000 people found that higher consumption of caffeinated coffee and tea was associated with an 18% lower risk of dementia, along with better cognitive performance. No similar benefits were observed among decaf drinkers.
- Experts say the link may be due to caffeine and other compounds in coffee and tea, which are associated with lower inflammation and reduced oxidative stress.
- The FDA recommends that generally healthy adults limit caffeine intake to no more than 400 milligrams per day, or about four-and-a-half eight-ounce cups of coffee.
Many people rely on a cup of coffee to wake up in the morning, and new research suggests the daily habit could offer more than just a pick-me-up. The study, which analyzed 43 years of data, found that a daily coffee habit is linked to a significantly reduced risk of dementia.
“Dementia is a growing public health concern, and coffee and tea are things many people drink every day,” said Yu Zhang, MBBS, the lead study author and a researcher at the Harvard University T.H. Chan School of Public Health. “We wanted to see whether these common habits might be linked to better brain health over the long term.”
It’s important to stress that the study found a link — it doesn’t definitively prove that your daily cup will ward off dementia. But doctors said the findings are worth paying attention to. “It’s useful information, and it helps us to know that having a caffeinated beverage or two each day may be in our best interests,” said Anna Hohler, MD, director of neurology for Northwell’s Westchester Region. Here’s why.
What a decades-long study reveals about coffee, tea, and brain health
The study, published in JAMA, analyzed data from nearly 132,000 people who participated in the Nurses’ Health Study and the Health Professionals Follow-Up Study, both of which are long-term biomedical databases.
Each participant answered questions about their diet every two to four years, and their health data was tracked for up to 43 years. During the study, 11,033 people were diagnosed with dementia. After analyzing dietary and health data, the researchers found that participants who consumed higher levels of caffeinated coffee and tea had an 18% lower risk of developing dementia than those who consumed little to no caffeine.
Related: No Amount of Alcohol Is Safe for Your Brain, New Landmark Study Finds
Consuming caffeinated coffee and tea was also linked to a lower risk of developing cognitive decline, a gradual worsening of mental function usually associated with age. Coffee-drinking participants also performed better on cognitive function tests.
The researchers didn’t observe the same benefits among decaf coffee drinkers, suggesting the benefits were related to caffeine, though it's unclear whether caffeine was the only factor at work.
How coffee and tea could support brain health over time
This isn’t the only study linking coffee to a lower risk of dementia. A scientific review and data analysis published in the Journal of Lifestyle Medicine in 2023 found that people who regularly drank one to four cups of coffee a day had a “significantly” lower risk of developing Alzheimer’s disease. However, those who drank more than four cups of coffee a day had an increased risk of developing the disease.
Related: Regularly Eating Breakfast Could Shield You Against Age-Related Brain Changes, Study Finds
Doctors suggest there are likely a few reasons for this association. “It could be that caffeine is lowering the levels of harmful proteins—amyloid—in the brain, reducing inflammation, or helping brain cells be more adaptable,” said Amalia Peterson, MD, a behavioral neurologist and assistant professor of Neurology at Vanderbilt University Medical Center. “Caffeine is also linked to a reduced risk of type 2 diabetes, which is a risk factor for dementia, and this could help explain this association.”
Coffee may also contain compounds that can help reduce oxidative stress, an imbalance between free radicals and the body’s ability to eliminate them that’s linked to a range of chronic illnesses, Zhang said.
“Caffeine is probably one important part of the story, especially since we saw benefits with caffeinated coffee and tea but not decaf,” Zhang continued. “But it’s likely not just one compound. Coffee and tea also contain polyphenols and other bioactive compounds, so it may be a combination working together rather than one single ingredient.”
What are the other benefits of caffeine?
Caffeine may have many benefits when used in moderation. “Caffeine can improve reaction time, attention, and perceived energy, which has practical benefits for daily functioning,” Keatley says. “It is also associated with improved exercise performance and may support metabolic rate modestly.”
Caffeinated coffee could potentially help you live longer, too. A 2025 study published in The Journal of Nutrition found a link between drinking caffeinated coffee and a lower risk of death over the 11-year study period. The benefits were limited to black coffee and coffee with just a little added sugar.
Can other sources of caffeine provide the same perks?
The study didn’t investigate beverages outside of coffee and black tea, but Scott Keatley, RD, co-founder of Keatley Medical Nutrition Therapy, said it’s possible that other caffeinated beverages, such as matcha, may offer similar benefits. “Matcha and [black] tea contain caffeine, along with catechins like EGCG and the amino acid L-theanine, which may support attention and reduce neural stress,” he said. “The profile is different from coffee, but the combination of mild stimulation and high antioxidant content could produce similar long-term effects.”
Hohler agrees. “Theoretically, we would expect matcha to have the same properties,” she said. It’s unclear how more-processed caffeinated beverages, such as energy drinks, would affect dementia risk.
“Different beverages have very different overall compositions — things like sugar content, processing, and what other compounds come along with the caffeine all matter,” Zhang said.
The recommended daily limit for caffeine, explained
According to the U.S. Food and Drug Administration, it’s recommended that generally healthy individuals consume no more than 400 milligrams of caffeine per day.
The amount of caffeine in a cup of coffee varies by type and brew strength. However, this roughly translates to limiting yourself to four-and-a-half eight-ounce cups of coffee, or up to three 12-ounce cups. Ultimately, the study makes the case for enjoying coffee as part of a balanced diet. “It’s not a reason to overdo it, but it is reassuring for people who already enjoy these drinks,” Zhang said.
Reviewed by
Lauren Manaker MS, RDN, LD, CLEC: Lauren is an award-winning registered dietitian and three-time book author, with more than 22 years in the field.
Read the original article on Food & Wine
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