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  • The Med diet involves plenty of fruit and veg, wholegrains, nuts and olive oil
  • Participants who followed it scored higher on tests of cognitive function
  • READ MORE: ‘Skinny fat’ raises risk of Alzheimer’s even MORE than obesity

The Mediterranean diet can help keep your brain sharp in old age, even if you show signs of dementia, a study has suggested.

Researchers from Rush University in Chicago found that people who followed the Mediterranean diet scored higher on tests of cognitive function, even if they had signs of Alzheimer’s in their brains after they died.

Other important factors included not smoking, drinking minimal alcohol and exercising frequently. 

One of the reasons the diet is thought to combat cognitive decline is because it is balanced and keeps you full for longer – making you less likely to snack on high-calorie junk.

This keeps weight stable and healthy, reducing the risk of obesity-related blood vessel problems that can impact brain function.

Some research suggests the abundance of fruit and vegetables in the diet plays a role too – as they are high in brain-protecting antioxidants.

A huge amount of research has designated the Mediterranean diet as the gold-standard eating regime

A huge amount of research has designated the Mediterranean diet as the gold-standard eating regime

The researchers used data from the Rush Memory and Aging Project, a study with autopsy data from 1997 to 2022 and up to 24 years of follow-up.

They looked at 586 participants who had died at an average age of 91.

A healthy lifestyle score was developed for each participant based on self-reported factors, including smoking, if participants did at least two and a half hours of exercise a week, alcohol consumption, a Mediterranean diet and cognitive activity score.

The overall healthy lifestyle score was from one to five, with higher scores reflecting a healthier lifestyle.

Researchers compared this to a cognitive score from tests less than a year before participants’ death.

In the Rush Memory and Aging Project, participants’ cognitive function was evaluated every year with 19 tests.

A higher lifestyle score was associated with better cognitive functioning close to death.

After they died, participants’ brains were removed and examined for signs of Alzheimer’s such as amyloid beta and tau tangles.

Even if participants’ brains showed signs of Alzheimer’s, their healthy lifestyle still appeared to protect the somewhat from cognitive decline, the study showed.

The study was published in the journal JAMA Neurology

The Mediterranean diet is compised of plenty of fruit, vegetables, whole grains, legumes, nuts and olive oil.

A huge amount of research has designated the Mediterranean diet as the gold standard eating regime.

A study published last year found that swapping to a Mediterranean diet from the normal Western diet can help you live longer, and the earlier in your life you start, the better.

But even if you don’t start eating the Mediterranean diet until age 60, you can expect to live an additional eight years, the study found.

And adopting the diet at age 80 still boots life expectance by around three years.

Dementia is the general term for a group of conditions associated with loss of memory, language and judgement.

Alzheimer’s is the most common form of the disease, affecting more than six million Americans, while Lewy body dementia is the second most common type, with roughly one million living with the condition.

What is Alzheimer’s and how is it treated? 

Alzheimer’s disease is a progressive, degenerative disease of the brain in which the build-up of abnormal proteins causes nerve cells to die.

This disrupts the transmitters that carry messages, and causes the brain to shrink. 

More than 5million people suffer from the disease in the US, where it is the 6th leading cause of death, and more than 1million Britons have it.

WHAT HAPPENS?

As brain cells die, the functions they provide are lost. 

That includes memory, orientation and the ability to think and reason. 

The progress of the disease is slow and gradual. 

On average, patients live five to seven years after diagnosis, but some may live for ten to 15 years.

EARLY SYMPTOMS:

  • Loss of short-term memory
  • Disorientation
  • Behavioral changes
  • Mood swings
  • Difficulties dealing with money or making a phone call 

LATER SYMPTOMS:

  • Severe memory loss, forgetting close family members, familiar objects or places
  • Becoming anxious and frustrated over inability to make sense of the world, leading to aggressive behavior 
  • Eventually lose ability to walk
  • May have problems eating 
  • The majority will eventually need 24-hour care   

HOW IT IS TREATED?

There is no known cure for Alzheimer’s disease.

However, some treatments are available that help alleviate some of the symptoms.

One of these is Acetylcholinesterase inhibitors which helps brain cells communicate to one another. 

Another is menantine which works by blocking a chemical called glutamate that can build-up in the brains of people with Alzheimer’s disease inhibiting mental function. 

As the disease progresses Alzheimer’s patients can start displaying aggressive behaviour and/or may suffer from depression. Drugs can be provided to help mitigate these symptoms.   

Other non-pharmaceutical treatments like mental training to improve memory helping combat the one aspect of Alzheimer’s disease is also recommended. 

 Source: Alzheimer’s Association and the NHS

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This post first appeared on Daily mail

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