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Half a cup of blueberries a day could stave off dementia in older adults, study finds

Consuming a half cup of blueberries day-after-day in your late 50s can stave off dementia later in life, research finds

  • Consuming only a half-cup of blueberries day-after-day in an individual’s 50s can assist them keep away from devastating cognitive decline later in life, a brand new research finds
  • Researchers discovered that individuals of their 50s who’re the blueberries examined higher on cognitive checks, and even had more healthy blood sugar ranges 
  • Researchers prompt this can be as a result of blueberries comprise anthocyanins, although they may not nail down a mechanism
  • Greater than six million Individuals undergo from dementia, a report from the Alzheimer’s affiliation suggests 

Consuming simply half a cup of blueberries a day in your late 50s might assist stave off dementia, a brand new research finds.

Researchers on the College of Cincinnati tracked 13 overweight adults with gentle reminiscence decline who ate the berries for 3 months, and located a major enchancment of their reminiscence in comparison with others who had no fruits.

The crew prompt berries could have a protecting impact as a result of they comprise anthocyanins, a kind of flavonoid which may scale back irritation.

However they admitted it was troublesome to find out whether or not the blueberries had triggered the development as a result of the research was observational — that means it couldn’t inform if the consequence was on account of different elements — and had a small pattern dimension.

Consuming half a cup of blueberries a day might assist to stave off dementia, scientists say (inventory)


Dementia is an umbrella time period used to explain a spread of progressive neurological issues, that’s, circumstances affecting the mind.

There are lots of several types of dementia, of which Alzheimer’s illness is the commonest.

Some individuals could have a mix of kinds of dementia.

No matter which sort is identified, every individual will expertise their dementia in their very own distinctive method.

Dementia is a worldwide concern however it’s most frequently seen in wealthier international locations, the place persons are prone to reside into very previous age.


The Alzheimer’s Society stories there are greater than 850,000 individuals residing with dementia within the UK at the moment, of which greater than 500,000 have Alzheimer’s.

It’s estimated that the variety of individuals residing with dementia within the UK by 2025 will rise to over 1 million.

Within the US, it is estimated there are 5.5 million Alzheimer’s victims. An analogous share rise is anticipated within the coming years.

As an individual’s age will increase, so does the danger of them growing dementia.

Charges of analysis are enhancing however many individuals with dementia are thought to nonetheless be undiagnosed.


At present there is no such thing as a remedy for dementia.

However new medicine can decelerate its development and the sooner it’s noticed the simpler remedies are.

Supply: Dementia UK


Within the research — revealed within the journal Nutrients — scientists recruited 33 adults of their late 50s from across the Cincinnati space who had gained weight of their center age.

Contributors in each teams weighed about 205 lbs on common, and had a waist circumference of about 107 centimeters.

Their BMI scores had been 33, classing them as overweight. 

All of them had been pre-diabetic, when the physique begins to turn out to be proof against insulin.

It is a step nearer to sort 2 diabetes — a key danger issue for dementia.

Within the trial, the adults had been advised to cease consuming all berries and fruits.

Half had been then given a ‘blueberry’ sachet to combine with water day-after-day, containing the equal of half a cup of the fruits.

The remainder acquired a placebo sachet, which contained an inert powder. 

The trial was double-blind, that means individuals and researchers didn’t know who was receiving the ‘blueberry’ or placebo sachets.

Earlier than the experiment started checks had been carried out to measure participant’s reminiscence.

These had been repeated once more after 12 weeks of consuming the blueberries or the placebo.

Dr Robert Krikorian, the psychologist who led the research, and others stated within the paper: ‘The cognitive findings indicated improved govt means on this middle-aged pattern [who had blueberries]. 

‘The demonstration of those advantages in middle-aged people with insulin resistance and [subjective cognitive decline] means that ongoing blueberry supplementation could contribute to safety towards cognitive decline when applied early in at-risk people.’

They added: ‘In abstract, this research demonstrated that blueberry supplementation has neurocognitive profit in middle-aged people with insulin resistance and elevated danger for future dementia.’

Greater than 6 million Individuals are thought to have dementia, the Alzheimer’s Association reports.

By 2050 that is projected to rise to almost 13million because the older inhabitants grows — or one in 25 individuals.

The Facilities for Illness Management and Prevention says early signs of the situation embrace reminiscence loss, problem sustaining consideration and speaking with others.

This will likely embrace getting misplaced in a well-known neighborhood, utilizing uncommon phrases to confer with acquainted objects and forgetting the names of members of the family.

Being older is the strongest danger issue for growing the situation — alongside a household historical past of it and being at greater danger of coronary heart illness.

There’s presently no remedy for dementia, with remedies as a substitute specializing in slowing the situation and limiting its signs. 

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