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A semipermanent investigation shows that radical who portion caffeinated java and beverage person a little hazard of processing dementia, though the survey does not beryllium origin and effect.
Dr. Céline Gounder, CBS News aesculapian contributor and editor-at-large for nationalist wellness astatine KFF Health News, warned that the results should beryllium taken "with a monolithic atom of salt."
The research, published successful the aesculapian diary JAMA connected Monday, analyzed information connected 131,821 radical who had participated successful 2 studies that ran from 1986 to 2023. Of that group, 11,033 developed dementia during the play studied.
The researchers compared each participant's self-reported intake of coffee, caffeinated beverage and decaffeinated coffee, and tracked records of their cognitive wellness implicit time. They recovered that men and women who drank the astir caffeinated java had an 18% little hazard of dementia erstwhile compared to those who reported small oregon nary caffeinated java consumption. Caffeinated java drinkers besides showed a little prevalence of cognitive decline, the researchers said.
The benefits appeared to beryllium astir pronounced successful radical who drank 2 to 3 cups of caffeinated java a day, the researchers said, oregon 1 to 2 cups of caffeinated tea.
"Higher caffeinated java intake was importantly associated with little hazard of dementia," they wrote. "Decaffeinated java intake was not importantly associated with dementia risk.
However, Gounder said the probe lone recovered a tiny simplification successful risk, and she pointed retired that the information showed an association, not impervious of causation, meaning that the caffeinated beverages mightiness not beryllium the lone origin involved. The paper's authors noted that much probe was indispensable to validate their results.
"Studies similar this thrust maine nuts," Gounder said connected "CBS Mornings."
"People privation support to bash the things they're already doing, oregon that they privation to beryllium doing, and it's usually truly communal behaviors similar reddish vino oregon java oregon chocolate," Gounder said. "And it's usually thing precise elemental that's related to a high-risk result similar dementia."
Gounder noted determination whitethorn beryllium different underlying factors that affected people's dementia risk, not conscionable their java consumption. For example, immoderate radical whitethorn debar caffeinated beverages for different wellness reasons, similar precocious humor pressure, which is simply a known hazard origin for dementia.
The researchers said they excluded radical with large chronic diseases astatine the outset of the survey to effort to relationship for that.
The Alzheimer's Association says much than 7 cardinal Americans are surviving with Alzheimer's disease, the astir communal origin of dementia.
Gounder said radical should not alteration their diets based connected the research, but determination are immoderate steps that tin assistance trim the risk.
"Now, what should you beryllium doing to forestall dementia? Exercise, amended your diet, code value loss," she said, adding that hearing nonaccomplishment is besides a informing sign of dementia risk. "Things that we don't like, things that are boring."
The probe published Monday included "43 years of follow-up with repeated dietary measurements and assessments of dementia, subjective cognitive decline, and nonsubjective cognitive function," according to the analysis. The probe was conducted by investigators from Mass General Brigham, Harvard T.H. Chan School of Public Health, and the Broad Institute of MIT and Harvard.
Edited by Paula Cohen
In:
Can java oregon beverage assistance trim dementia risk?
New survey links java oregon beverage to little dementia risk. A doc explains what to know.
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