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Your daily coffee habit may play a role in dementia risk, study finds

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Your daily coffee habit may play a role in dementia risk, study finds

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Drinking two to three cups of coffee daily could reduce the risk of dementia, according to new observational research published in The Journal of the American Medical Association.

American researchers analyzed four decades of data from more than 130,000 doctors and nurses, finding that moderately caffeinated coffee and tea intake can lower the risk of cognitive decline, according to SWNS.

The analysis revealed that not only did participants with the highest intake of caffeinated coffee have a lower risk of dementia, but there also appeared to be a “sweet spot” where it was most effective.

SCIENTISTS REVEAL THE ONE PRACTICE THAT COULD PREVENT DEMENTIA AS YOU AGE

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Previous findings on the relationship between coffee and dementia have been inconsistent due to limited follow-up data. To address this, researchers used information from the Nurses’ Health Study and the Health Professionals Follow-Up Study, tracking healthcare professionals from midlife through older age.

Over a follow-up period of up to 43 years, the team analyzed self-reported dietary patterns collected through questionnaires administered every four years.

Both coffee and tea contain bioactive ingredients that can reduce inflammation and cellular damage and defend against cognitive decline, the study found. (iStock)

This long-term approach allowed scientists to account for changes in coffee and tea consumption over time, while monitoring for both clinical dementia diagnoses and subtle shifts in cognitive function.

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By adjusting for variables such as smoking, physical activity and underlying health conditions, the researchers were able to isolate the specific relationship between caffeine intake and long-term brain health, SWNS noted.

Of the 131,821 participants involved in the long-term analysis, 11,033 developed dementia.

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The analysis revealed that participants with the highest intake of caffeinated coffee had an 18% lower risk of dementia compared with those who reported little or no consumption.

These participants also performed better on tests of overall cognitive function, the report noted. While higher tea intake yielded similar results, decaffeinated coffee did not, suggesting that caffeine is likely the driving neuroprotective factor.

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The cognitive benefits were most pronounced in those who consumed two to three cups of caffeinated coffee or one to two cups of tea daily.

The long-term data analysis allowed researchers to account for changes in caffeine consumption over time. (iStock)

Dementia affects more than six million Americans and 55 million people worldwide, with the National Institutes of Health reporting more than 100,000 U.S. deaths annually. 

Experts emphasize that early prevention is crucial, as current treatments offer only modest benefits once symptoms appear. This has led scientists to investigate the role that specific lifestyle factors play in cognitive decline.

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“When searching for possible dementia prevention tools, we thought something as prevalent as coffee may be a promising dietary intervention,” senior study author Daniel Wang, an assistant professor at Harvard Medical School, noted in a press release from SWNS.

Contrary to some previous studies, higher caffeine intake did not produce negative effects. (iStock)

Both coffee and tea contain bioactive ingredients such as polyphenols and caffeine, which may reduce inflammation and cellular damage while defending against cognitive decline. Researchers referred to these properties as “neuroprotective.”

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Contrary to some previous studies, higher caffeine intake did not produce negative effects; instead, it provided consistent neuroprotective benefits even for those with a high genetic predisposition to the disease, per SWNS.

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Despite the encouraging findings, Wang cautioned that the effect size is small and should be viewed as just one of many ways to protect cognitive health during aging.

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Dementia risk signals could lie in simple blood pressure readings, researchers say

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Dementia risk signals could lie in simple blood pressure readings, researchers say

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Simple measurements taken during routine blood pressure checks could predict dementia risk years before symptoms appear.

That’s according to new research presented this week at the American College of Cardiology’s Annual Scientific Session in Louisiana.

The findings draw on two studies led by researchers at Georgetown University, which suggest that monitoring how blood vessels age and stiffen over time can provide a window into future cognitive health.

LURKING DEMENTIA RISK EXPOSED BY BREAKTHROUGH TEST 25 YEARS BEFORE SYMPTOMS

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Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age, and half of U.S. adults have high blood pressure (hypertension).

Scientists believe that efforts to better address hypertension, a key contributor to heart disease and a risk factor for dementia, could affect both cardiac and brain health.

Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age. Meanwhile, half of U.S. adults have high blood pressure. (iStock)

“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health,” Dr. Newton Nyirenda, the study’s lead author and an epidemiologist at Georgetown University in Washington, said in a press release.

The research focused on two metrics, the pulse pressure-heart rate index and estimated pulse wave velocity. Both were calculated using data collected during standard doctor visits, such as heart rate, age and blood pressure.

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“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health.”

Researchers examined five years of data patterns for more than 8,500 people in the SPRINT trial, a large study of adults 50 years and older with hypertension. In the follow-up, 323 of the participants developed probable dementia.

HIDDEN BRAIN CONDITION MAY QUADRUPLE DEMENTIA RISK IN OLDER ADULTS, STUDY SUGGESTS

In one study, the team found the pulse pressure-heart rate index was a strong independent predictor of dementia risk in adults over 50. For participants under 65, every one-unit increase was associated with a 76% higher risk of developing dementia.

For participants under 65, an increase in the pulse pressure-heart rate index was associated with a 76% higher risk of developing dementia. (iStock)

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The second study found that adults with consistently elevated or rapidly increasing pulse wave velocity were more likely to develop dementia than those with stable velocity, even after accounting for factors like smoking, gender and cardiovascular history.

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“Our findings suggest that vascular aging patterns may provide meaningful insight into future dementia risk,” said Nyirenda. “This reinforces the idea that managing vascular health earlier in life may influence long-term brain health.”

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The team emphasized that clinicians should tailor risk assessments and treatment strategies to the individual.

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Further studies are needed to confirm these parameters and determine whether changing vascular aging trajectories reduces dementia risk. (iStock)

“You don’t want to wait until a patient starts manifesting cognitive decline before you act,” said senior study author Sula Mazimba, an associate professor at the University of Virginia.

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Researchers noted the study could not establish causation. Other limitations included the fact that participants already had hypertension and elevated cardiovascular risk, meaning the findings may not apply to people without those conditions.

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Further studies are needed to confirm these findings and to determine whether improving blood vessel health over time could reduce dementia risk.

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Everything You Need To Know About Zepbound for Weight Loss, Including Costs

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Everything You Need To Know About Zepbound for Weight Loss, Including Costs


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What Is Zepbound? Weight-Loss Benefits, Costs and Dosage




















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‘Gas station heroin’ banned in another state amid nationwide crackdowns

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‘Gas station heroin’ banned in another state amid nationwide crackdowns

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A dangerous substance dubbed “gas station heroin” continues to alarm medical professionals, with more states making moves to restrict or ban tianeptine.

Fourteen states have officially classified the tricyclic antidepressant as a Schedule I controlled substance.

Connecticut is the latest state to crack down, officially banning the sale and use of the substance starting on Wednesday.

HEALTH OFFICIALS WARN OF DANGEROUS SUBSTANCE AVAILABLE IN STORES ACROSS THE NATION

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Tianeptine, which can produce euphoria in higher doses, can be more potent than morphine and addictive opioids, according to the U.S. Food and Drug Administration.

Some countries have taken steps to restrict how tianeptine is prescribed or dispensed, and have even revised the labels to warn people of its potential addictive qualities.

Tianeptine can be more potent than morphine and addictive opioids. (iStock)

Misuse of tianeptine can cause severe adverse health effects, including respiratory depression, severe sedation and death, according to the Drug Enforcement Administration.

Some companies market the drug as an aid for pain, anxiety and depression, or as a means of improving mental alertness in a pill, powder, salt or liquid form.

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The products are typically sold at convenience stores, gas stations, vape shops and online retailers, and go by names like Tianaa, ZaZa, Neptune’s Fix, Pegasus and TD Red.

Connecticut is the 15th state to classify tianeptine as a Schedule I controlled substance. (Markus Scholz/picture alliance via Getty Images)

Connecticut Lt. Gov. Susan Bysiewicz said in a press release that the schedule change is a necessary step to combat addiction.

“With false marketing that led consumers to believe these are safe products, and with candy-like flavor options, these substances posed a clear threat to those battling substance-use disorder and our youngest residents,” she added.

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The Nutmeg State also added Mitragyna speciosa (kratom), 7-hydroxymitragynine, Bromazolam, Flubromazolam, Nitazenes and Phenibut to the schedule classification.

Earlier this month, FDA Commissioner Martin Makary penned a letter sounding the alarm on what he called a “dangerous and growing health trend.”

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“I am very concerned,” Makary wrote. “I want the public to be especially aware of this dangerous product and the serious and continuing risk it poses to America’s youth.”

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New York-based Robert Schwaner, M.D., vice chair of system clinical affairs at Stony Brook Emergency Medicine, told Fox News Digital that the FDA has never approved tianeptine as a dietary supplement.

“As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.” (Dekalb County Sheriff’s Office)

“The euphoria at low doses is primarily due to increased serotonergic activity from its serotonin reuptake effects. With increasing doses, the mu-opioid receptor stimulation may become lethal,” said Schwaner. “As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.”

Schwaner said he believes the substance requires national regulation due to its addictive qualities. 

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“Acting at the same receptor as opioids, tianeptine has the potential for an individual to develop tolerance, subsequent dependence and withdrawal from its use,” he cautioned.

Fox News Digital reached out to the FDA for comment. 

Fox News Digital’s Greg Wehner and Melissa Rudy contributed to this report.

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