A BBC report citing recent health research suggests that people do not necessarily need intensive training or complex medical interventions to slow brain ageing or reduce the risk of Alzheimer’s disease. Instead, simple daily habits may help protect cognitive health. Experts say the key lies in building “cognitive reserve,” which refers to the brain’s ability to maintain function despite ageing or disease.
One method is to strengthen spatial navigation skills, such as reducing reliance on smartphone GPS and instead remembering routes or navigating independently. Studies have found that people in occupations requiring strong spatial judgement, such as ambulance drivers and taxi drivers, tend to have lower Alzheimer’s-related mortality rates.
A second approach is maintaining an active social life. Large-scale studies show that individuals with higher levels of social engagement may reduce their risk of cognitive decline and dementia by around 30% to 50%. Some research also suggests that even among those who eventually develop dementia, socially active individuals may experience a delayed onset of symptoms.
A third strategy is lifelong learning, including reading new material, taking courses, or developing new interests. Research indicates that people with longer education and continuous learning tend to experience slower cognitive decline. Experts explain that learning promotes “neuroplasticity,” the brain’s ability to form new connections and strengthen existing neural networks, helping it resist the effects of ageing.
Researchers conclude that whether through changing daily routes, staying socially engaged, or continuously learning new things, keeping the brain active can help slow cognitive decline and improve overall healthspan.
Commentary:
For many retirees, leaving the workforce often means fewer daily situations that require decision-making and problem-solving, leading to a more repetitive lifestyle and reduced cognitive stimulation. Over time, this may contribute to declines in memory and reaction ability, which is not simply an inevitable result of ageing, but also the cumulative effect of underuse.
In the context of an ageing society, rather than relying solely on medical breakthroughs, it is more important to maintain an active mental lifestyle—continuing to learn, staying socially engaged, and interacting with the world. This ongoing engagement may be key to preserving cognitive function and maintaining brain vitality.