21/09/2026
The Science of Ageing Well: Looking After Your Brain
When we think about ageing well, we often focus on our heart, bones and muscles. But keeping our brain healthy is just as important.
Brain health isn't only about reducing the risk of dementia in later life. It's also about supporting the everyday abilities that shape our quality of life, including memory, concentration, mood, confidence and independence.
While there are no guarantees when it comes to conditions such as Alzheimer's disease and other forms of dementia, research suggests that lifestyle factors can influence our cognitive health throughout life.
Move your body
Regular physical activity benefits the brain as well as the body. It improves blood flow, supports brain function and is associated with a lower risk of cognitive decline.
You don't need to become a marathon runner. Walking, cycling, swimming, dancing, gardening and strength training can all contribute to better brain health.
Eat for brain health
The brain relies on a steady supply of nutrients to function well.
Research consistently shows that dietary patterns rich in vegetables, fruit, legumes, wholegrains, nuts, seeds and healthy fats are associated with better cognitive health. Rather than focusing on a single "superfood", it is the overall pattern of eating that appears to matter most.
Certain nutrients have attracted particular interest:
• Omega-3 fats help maintain the structure and function of brain cells. Plant sources include walnuts, chia seeds, flaxseeds and h**p seeds.
• Polyphenols, found in foods such as berries, cocoa, herbs, spices, tea and coffee, may help protect brain cells from oxidative stress.
• B vitamins, including folate, support normal nervous system function and are found in foods such as leafy green vegetables, beans, lentils and fortified foods.
• Antioxidants found in colourful fruits and vegetables help protect cells from damage that can accumulate with age.
What's good for the heart is often good for the brain too. Healthy blood vessels help ensure the brain receives the oxygen and nutrients it needs.
Keep your brain active
Learning new skills, reading, hobbies, puzzles and other mentally stimulating activities help keep the brain engaged and challenged.
Stay connected
Strong social connections are linked with better cognitive health and may help reduce the risk of cognitive decline. Spending time with friends, family and community groups benefits both mental wellbeing and brain health.
Prioritise sleep
Sleep plays a vital role in memory, learning and concentration. Consistently poor sleep can affect cognitive function and mental wellbeing.
Ageing well is not simply about adding years to life. It's about maintaining the memory, focus, confidence and independence that help us continue living life on our own terms.