Healthy people with a higher genetic risk of Alzheimer’s disease may show differences in their brain structure and fare worse on mental ability tests, research suggests.
Experts behind the study say the findings back the theory that signs of Alzheimer’s in the brain may be detectable before significant symptoms appear.
It is already known that people who have a parent or sibling with Alzheimer’s disease are more likely to develop it than those without a close relative who is affected.
People with more than one first-degree relative with Alzheimer’s are thought to be at even higher risk of developing it.
Alzheimer’s is a degenerative disease in which several brain regions are affected, but among the earliest includes the hippocampus, which is vital for processing memory and learning.
For the new research, published in the Neuropsychopharmacology peer-reviewed journal, University of Glasgow researchers used polygenic risk scores, which estimate a person’s genetic risk of developing a particular disease such as Alzheimer’s.
They calculated a genetic risk score based on a large number of mutations for 32,790 healthy adults without dementia from UK Biobank, a large-scale database.
They worked out that a person’s lifetime genetic risk of Alzheimer’s was associated with differences in brain structure and performance on mental ability tests.
“Our findings are novel because they show the effects of genetic risk may, to a certain extent, be apparent long before a clinical dementia diagnosis," said Rachana Tank, a lead author on the study.
“Although we cannot say for certain that these differences are early signs of dementia per se, it is important that we do further research in this area.”
Dr Donald Lyall, lecturer in public health at the University’s institute of health and well-being, said: “These findings could lead to a better, more meaningfully informative way of gauging Alzheimer’s disease risk than current methods of inquiring about a family history of dementia.
“Being able to identify individuals at risk of worse cognitive abilities and potentially accelerated decline could greatly improve diagnosis and treatment options in future.”
Fiona Carragher, director of research at the Alzheimer’s Society, said that the findings could greatly improve treatment of the disease.
“If we can accurately identify people at risk of developing Alzheimer’s disease later in life, it could be a real game-changer," Ms Carragher said.
“Early detection of those at a higher risk has the potential to pave the way for new treatments in the future and help researchers to understand what causes diseases like Alzheimer’s to develop.
“The scale of this study is significant. It adds further evidence to the theory that some brain changes associated with Alzheimer’s disease can start many years before symptoms such as memory loss.
“However, it only looked at people from a white European background. We need to better understand whether there are associations between different genetic risk factors and changes in the brain in people from other ethnic communities.
“Research will beat dementia, but we need more funding.
"The government must honour their commitment to double dementia research funding to provide hope for future generations. We owe it to the 850,000 people in the UK currently living with dementia.”
'Brazen'
Director: Monika Mitchell
Starring: Alyssa Milano, Sam Page, Colleen Wheeler
Rating: 3/5
The years Ramadan fell in May
The specs
Engine: 4.0-litre V8 twin-turbocharged and three electric motors
Power: Combined output 920hp
Torque: 730Nm at 4,000-7,000rpm
Transmission: 8-speed dual-clutch automatic
Fuel consumption: 11.2L/100km
On sale: Now, deliveries expected later in 2025
Price: expected to start at Dh1,432,000
THE BIO
Ms Davison came to Dubai from Kerala after her marriage in 1996 when she was 21-years-old
Since 2001, Ms Davison has worked at many affordable schools such as Our Own English High School in Sharjah, and The Apple International School and Amled School in Dubai
Favourite Book: The Alchemist
Favourite quote: Failing to prepare is preparing to fail
Favourite place to Travel to: Vienna
Favourite cuisine: Italian food
Favourite Movie : Scent of a Woman
Why are asylum seekers being housed in hotels?
The number of asylum applications in the UK has reached a new record high, driven by those illegally entering the country in small boats crossing the English Channel.
A total of 111,084 people applied for asylum in the UK in the year to June 2025, the highest number for any 12-month period since current records began in 2001.
Asylum seekers and their families can be housed in temporary accommodation while their claim is assessed.
The Home Office provides the accommodation, meaning asylum seekers cannot choose where they live.
When there is not enough housing, the Home Office can move people to hotels or large sites like former military bases.
Red flags
- Promises of high, fixed or 'guaranteed' returns.
- Unregulated structured products or complex investments often used to bypass traditional safeguards.
- Lack of clear information, vague language, no access to audited financials.
- Overseas companies targeting investors in other jurisdictions - this can make legal recovery difficult.
- Hard-selling tactics - creating urgency, offering 'exclusive' deals.
Courtesy: Carol Glynn, founder of Conscious Finance Coaching
The specs
- Engine: 3.9-litre twin-turbo V8
- Power: 640hp
- Torque: 760nm
- On sale: 2026
- Price: Not announced yet
Results
5pm: Maiden (PA) Dh 80,000 (Turf) 1,400m. Winner: Al Ajeeb W’Rsan, Pat Dobbs (jockey), Jaci Wickham (trainer).
5.30pm: Maiden (PA) Dh 80,000 (T) 1,400m racing. Winner: Mujeeb, Fabrice Veron, Eric Lemartinel.
6pm: Handicap (PA) Dh 90,000 (T) 2,200m. Winner: Onward, Connor Beasley, Abdallah Al Hammadi.
6.30pm: Sheikh Zayed bin Sultan Al Nahyan Jewel Crown Prep Rated Conditions (PA) Dh 125,000 (T) 2,200m. Winner: Somoud, Richard Mullen, Jean de Roualle.
7pm: Wathba Stallions Cup Handicap (PA) Dh 70,000 (T) 1,600m. Winner: AF Arrab, Tadhg O’Shea, Ernst Oertel.
7.30pm: Handicap (TB) Dh 90,000 (T) 1,400m. Winner: Irish Freedom, Richard Mullen, Satish Seemar.
Zayed Sustainability Prize
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Killing of Qassem Suleimani
UAE currency: the story behind the money in your pockets
Benefits of first-time home buyers' scheme
- Priority access to new homes from participating developers
- Discounts on sales price of off-plan units
- Flexible payment plans from developers
- Mortgages with better interest rates, faster approval times and reduced fees
- DLD registration fee can be paid through banks or credit cards at zero interest rates
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THE%C2%A0SPECS
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UAE currency: the story behind the money in your pockets
Ferrari 12Cilindri specs
Engine: naturally aspirated 6.5-liter V12
Power: 819hp
Torque: 678Nm at 7,250rpm
Price: From Dh1,700,000
Available: Now
APPLE IPAD MINI (A17 PRO)
Display: 21cm Liquid Retina Display, 2266 x 1488, 326ppi, 500 nits
Chip: Apple A17 Pro, 6-core CPU, 5-core GPU, 16-core Neural Engine
Storage: 128/256/512GB
Main camera: 12MP wide, f/1.8, digital zoom up to 5x, Smart HDR 4
Front camera: 12MP ultra-wide, f/2.4, Smart HDR 4, full-HD @ 25/30/60fps
Biometrics: Touch ID, Face ID
Colours: Blue, purple, space grey, starlight
In the box: iPad mini, USB-C cable, 20W USB-C power adapter
Price: From Dh2,099
More from Rashmee Roshan Lall
More on Quran memorisation:
COMPANY%20PROFILE%20
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The specs
Engine: 3.0-litre six-cylinder turbo
Power: 398hp from 5,250rpm
Torque: 580Nm at 1,900-4,800rpm
Transmission: Eight-speed auto
Fuel economy, combined: 6.5L/100km
On sale: December
Price: From Dh330,000 (estimate)
Ballon d’Or shortlists
Men
Sadio Mane (Senegal/Liverpool), Sergio Aguero (Aregentina/Manchester City), Frenkie de Jong (Netherlans/Barcelona), Hugo Lloris (France/Tottenham), Dusan Tadic (Serbia/Ajax), Kylian Mbappe (France/PSG), Trent Alexander-Arnold (England/Liverpool), Donny van de Beek (Netherlands/Ajax), Pierre-Emerick Aubameyang (Gabon/Arsenal), Marc-Andre ter Stegen (Germany/Barcelona), Cristiano Ronaldo (Portugal/Juventus), Alisson (Brazil/Liverpool), Matthijs de Ligt (Netherlands/Juventus), Karim Benzema (France/Real Madrid), Georginio Wijnaldum (Netherlands/Liverpool), Virgil van Dijk (Netherlands/Liverpool), Bernardo Silva (Portugal/Manchester City), Son Heung-min (South Korea/Tottenham), Robert Lewandowski (Poland/Bayern Munich), Roberto Firmino (Brazil/Liverpool), Lionel Messi (Argentina/Barcelona), Riyad Mahrez (Algeria/Manchester City), Kevin De Bruyne (Belgium/Manchester City), Kalidou Koulibaly (Senegal/Napoli), Antoine Griezmann (France/Barcelona), Mohamed Salah (Egypt/Liverpool), Eden Hazard (BEL/Real Madrid), Marquinhos (Brazil/Paris-SG), Raheem Sterling (Eengland/Manchester City), Joao Félix(Portugal/Atletico Madrid)
Women
Sam Kerr (Austria/Chelsea), Ellen White (England/Manchester City), Nilla Fischer (Sweden/Linkopings), Amandine Henry (France/Lyon), Lucy Bronze(England/Lyon), Alex Morgan (USA/Orlando Pride), Vivianne Miedema (Netherlands/Arsenal), Dzsenifer Marozsan (Germany/Lyon), Pernille Harder (Denmark/Wolfsburg), Sarah Bouhaddi (France/Lyon), Megan Rapinoe (USA/Reign FC), Lieke Martens (Netherlands/Barcelona), Sari van Veenendal (Netherlands/Atletico Madrid), Wendie Renard (France/Lyon), Rose Lavelle(USA/Washington Spirit), Marta (Brazil/Orlando Pride), Ada Hegerberg (Norway/Lyon), Kosovare Asllani (Sweden/CD Tacon), Sofia Jakobsson (Sweden/CD Tacon), Tobin Heath (USA/Portland Thorns)
The National's picks
4.35pm: Tilal Al Khalediah
5.10pm: Continous
5.45pm: Raging Torrent
6.20pm: West Acre
7pm: Flood Zone
7.40pm: Straight No Chaser
8.15pm: Romantic Warrior
8.50pm: Calandogan
9.30pm: Forever Young
Vikram%20Vedha
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Killing of Qassem Suleimani
BMW M5 specs
Engine: 4.4-litre twin-turbo V-8 petrol enging with additional electric motor
Power: 727hp
Torque: 1,000Nm
Transmission: 8-speed auto
Fuel consumption: 10.6L/100km
On sale: Now
Price: From Dh650,000