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Can we change how our brains age? These scientists think it’s possible

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It’s long been known that our lifestyles can help to keep us healthier for longer. Now scientists are asking whether new technology can also help slow down the ageing process of our brains by keeping track of what happens to them as we get older.

One sunny morning, 76-year-old Dutch-born Marijke and her husband Tom welcomed me in for breakfast at their home in Loma Linda, an hour east of Los Angeles.

Oatmeal, chai seeds, berries, but no processed sugary cereal or coffee were served – a breakfast as pure as Loma Linda’s mission.

Loma Linda has been identified as one of the world’s so-called Blue Zones, places where people have lengthier-than-average lifespans. In this case, it is the city’s Seventh-Day Adventist Church community who are living longer.

They generally don’t drink alcohol or caffeine, stick to a vegetarian or even vegan diet and consider it a duty of their religion to look after their bodies as best they can.

This is their “health message”, as they call it, and it has put them on the map – the city has been the subject of decades of research into why its residents live better for longer.

Dr Gary Fraser from the University of Loma Linda told me members of the Seventh-Day Adventist community there can expect not only a longer lifespan, but an increased “healthspan” – that is, time spent in good health – of four to five years extra for women and seven years extra for men.

Marijke and Tom had moved to the city later in life, but both were now firmly embedded in the community.

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