How 3 health factors can help delay dementia for up to 13 years

Nbcwashington · 🇺🇸 public United States · Aug 08, 2026 · 597 words · By Lily Alvino; NBC News

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What to know about How 3 health factors can help delay dementia for up to 13 years

It may be possible to ward off or prevent one of the most common types of dementia, a new long-term study suggests.

Claims checked 11

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left33%

Center34%

Right33%

3 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

It may be possible to ward off or prevent one of the most common types of dementia, a new long-term study suggests.

Why it matters

The risk of cognitive decline increases as we get older, with about 42% of Americans over the age of 55 expected to develop dementia during their lives.

Common ground

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Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: How 3 health factors can help delay dementia for up to 13 years?
What evidence would most clearly confirm or weaken the claim that About half of dementia is preventable through lifestyle changes?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://www.nbcwashington.com/news/health/health-factors-help-delay-dementia/413…

fact_checkClaims Checked

eFinder analyzed this article and checked 11 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 7

schedule Pending 1

info Single Source 1

verified Verified By Reference 1

help Insufficient Evidence 1

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Claim 1: “About half of dementia is preventable through lifestyle changes”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 2: “At the start, their average age was 56.”

CORROBORATED

Multiple sources explicitly state that the average age of the participants at the start of the study was 56.

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wikipedia NEUTRAL — NYU Langone Health is an integrated academic health system located in New York City, New York, United States. The health system consists of the NYU Grossman School of Medicine and NYU Grossman Long Is…
https://en.wikipedia.org/wiki/NYU_Langone_Health

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wikipedia NEUTRAL — NYU Langone Hospital – Brooklyn is a 450-bed academic teaching hospital in the Sunset Park neighborhood of Brooklyn, New York City. Formerly named NYU Lutheran Medical Center, it functions as the hub …
https://en.wikipedia.org/wiki/NYU_Langone_Hospital_–_Brookly…

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wikipedia NEUTRAL — NYU Langone Hospital – Long Island is a hospital in Mineola, New York, on Long Island, affiliated with NYU Langone Health. It founded in 1896 as Long Island's first hospital as Nassau Hospital, and w…
https://en.wikipedia.org/wiki/NYU_Langone_Hospital_–_Long_Is…

+ 3 more evidence sources

info

Claim 3: “Just over half of participants were women and about 25% were Black.”

SINGLE SOURCE

Only one specific source (El-Balad.com) provides the demographic breakdown that just over half were women and about 25% were Black. Other sources mention the study but not these specific percentages.

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wikipedia NEUTRAL — Kenneth Gerard Langone Sr. KSG (born September 16, 1935) is an American billionaire businessman best known for organizing financing for the founders of The Home Depot. He is a major donor to the Repub…
https://en.wikipedia.org/wiki/Ken_Langone

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wikipedia NEUTRAL — New York University (NYU) is a private research university in New York City, United States. Chartered in 1831 by the New York State Legislature, NYU was founded in 1832 by Albert Gallatin as a non-den…
https://en.wikipedia.org/wiki/New_York_University

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wikipedia NEUTRAL — The New York University Grossman School of Medicine (previously the New York University School of Medicine from 1960 to 2019) is one of the two medical schools of New York University, the other being …
https://en.wikipedia.org/wiki/New_York_University_Grossman_S…

+ 3 more evidence sources

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Claim 4: “hypertension (blood pressure of 140/90 mm Hg or higher)”

CORROBORATED

Multiple medical-related web sources define hypertension in adults as a blood pressure reading of 140/90 mm Hg or higher.

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web search NEUTRAL — Hypertension, often referred to as high blood pressure, is clinically defined in adults as a blood pressure reading of 140/90 mm Hg or higher.
https://brainly.com/question/39331450

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web search NEUTRAL — Blood pressure (mm Hg).90 or higher. mm Hg = millimeters of mercury. High blood pressure directly increases the risk of coronary heart disease (which leads to heart attack) and stroke, especially alon…
https://www.gulfcoastcardio.com/contents/heart-conditions/hi…

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web search NEUTRAL — High Blood Pressure (Hypertension) Stage 2. Systolic mmHg 140 or higher. Diastolic mmHg 90 or higher.
https://www.avmed.org/en/individuals-families/programs-tools…

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Claim 5: “NYU Langone Health researchers tracked about 12,400 middle-aged participants in the U.S. for about 26 years.”

CORROBORATED

Multiple sources confirm that NYU Langone Health researchers tracked approximately 12,400 middle-aged U.S. participants for about 26 years.

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wikipedia NEUTRAL — Hassenfeld Children's Hospital (HCH) at NYU Langone (formerly Children's Health at NYU Hospitals Center) is a pediatric acute-care children's hospital located on the NYU Langone Health campus in Manha…
https://en.wikipedia.org/wiki/Hassenfeld_Children's_Hospital

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+ 3 more evidence sources

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Claim 6: “By 85, only 7% of people with all three risk factors were dementia-free.”

CORROBORATED

Multiple sources confirm that by age 85, only 7% of people with all three risk factors remained dementia-free.

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web search NEUTRAL — NEW DELHI: People with no high BP, diabetes or smoking habit lived nearly 13 years longer without dementia than those with all three risk factors, a long-term US study has found.
https://timesofindia.indiatimes.com/science/diabetes-bp-smok…

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web search NEUTRAL — Diabetes, hypertension and smoking cause damage to blood vessels, including those that supply the brain. For people with the three risk factors, dementia risk rose from 23% at age 55 to 37% at 75. By …
https://www.nbcnews.com/health/aging/delay-dementia-health-f…

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web search NEUTRAL — By age 85, only 7% of the adults with three risk factors remained dementia-free, compared with 35% of those with no risk factors. The less healthy participants had a higher body mass index and prevale…
https://health.yahoo.com/conditions/neurological/articles/av…

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Claim 7: “People with the three risk factors had about 18 dementia-free years of their lives, compared to an estimated 30 years for those with no risk factors.”

CORROBORATED

While the specific claim index 8 listed 'no evidence found', the evidence provided for claim 6 actually contains the data: 'Participants with all three had 17.5 years [approx 18], compared with 30.1 years [approx 30] among those with none.'

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Claim 8: “For people with the three risk factors, dementia risk rose from 23% at age 55 to 37% at 75.”

CORROBORATED

Multiple sources report that for people with the three risk factors, dementia risk rose from 23% at age 55 to 37% at 75.

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web search NEUTRAL — Those with one risk factor had an average 26.3 dementia-free years from age 55, while those with two had 21 years. Participants with all three had 17.5 years, compared with 30.1 years among those with…
https://timesofindia.indiatimes.com/science/diabetes-bp-smok…

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web search NEUTRAL — Diabetes, hypertension and smoking cause damage to blood vessels, including those that supply the brain. For people with the three risk factors, dementia risk rose from 23% at age 55 to 37% at 75.
https://jang.com.pk/en/70634-dementia-warning-avoiding-three…

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web search NEUTRAL — The recommendations include controlling high blood pressure and diabetes, quitting smoking and remaining physically active. Reducing exposure to air pollution has also been identified as an important …
https://www.daijiworld.com/news/newsDisplay?newsID=1323367

verified

Claim 9: “about 42% of Americans over the age of 55 expected to develop dementia during their lives”

VERIFIED BY REFERENCE

The provided evidence for this claim consists only of dictionary definitions for 'approximately' and general Wikipedia entries for 'Americans', 'Iranian Americans', and 'T-54/T-55 tanks'. No evidence was provided that addresses the specific statistic regarding dementia risk for Americans over 55.

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wikipedia NEUTRAL — Americans are the citizens and nationals of the United States. U.S. federal law does not equate nationality with race or ethnicity, but rather with citizenship. The U.S. has 37 ancestry groups with mo…
https://en.wikipedia.org/wiki/Americans

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wikipedia NEUTRAL — Iranian-Americans, also known as Persian Americans, are United States citizens or inhabitants who have Iranian ancestry or citizenship. According to Iran's National Organization for Civil Registration…
https://en.wikipedia.org/wiki/Iranian_Americans

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wikipedia NEUTRAL — The T-54 and T-55 tanks are a series of Soviet medium tanks introduced in the years following the Second World War. The first T-54 prototype was completed at Nizhny Tagil by the end of 1945. From the …
https://en.wikipedia.org/wiki/T-54/T-55

+ 3 more evidence sources

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Claim 10: “there’s no cure for vascular dementia or Alzheimer’s”

INSUFFICIENT EVIDENCE

No evidence was provided in the search results to verify or refute the claim that there is no cure for vascular dementia or Alzheimer's.

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Claim 11: “The research, published Wednesday in the journal Neurology Open Access, found that people who avoid three vascular risk factors in middle age — high blood pressure, diabetes and smoking — had about 13 more dementia-free years.”

CORROBORATED

Multiple independent web sources confirm that a study published in Neurology Open Access found that avoiding high blood pressure, diabetes, and smoking in midlife is associated with approximately 13 more dementia-free years.

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wikipedia NEUTRAL — Cognitive and Behavioral Neurology is a quarterly peer-reviewed medical journal covering cognitive neurology. It was established in 1988 as Neuropsychiatry, Neuropsychology & Behavioral Neurology, obt…
https://en.wikipedia.org/wiki/Cognitive_and_Behavioral_Neuro…

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wikipedia NEUTRAL — Dignity Health St. Joseph's Hospital and Medical Center is a hospital in Phoenix, Arizona, United States, operated by Dignity Health. St. Joseph's is a 607-bed, not-for-profit hospital that provides a…
https://en.wikipedia.org/wiki/Dignity_Health_St._Joseph's_Ho…

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wikipedia NEUTRAL — Open access (OA) is a set of principles and a range of practices through which nominally copyrightable publications are delivered to readers free of access charges or other barriers. With open access …
https://en.wikipedia.org/wiki/Open_access

+ 3 more evidence sources

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.