Cognitive stimulation and brain health
A growing body of research suggests lifelong intellectually engaging habits - reading, learning a language, playing chess, visiting museums - act as a kind of cognitive workout that can help delay dementia, according to recent reporting on the science. A Rush University Medical Center study led by neuropsychologist Andrea Zammit followed nearly 2,000 older adults for eight years and found that participants with the highest levels of lifelong learning who went on to develop Alzheimer's disease were diagnosed roughly five years later than those with the least; autopsy analysis of participants who died during the study also found that more cognitively 'enriched' people retained better memory and thinking skills even when their brains showed Alzheimer's-linked changes, a phenomenon researchers call 'cognitive reserve.' Experts cautioned there's no single fix, and that standard heart-healthy habits - exercise, blood pressure and diabetes control, good sleep, even shingles vaccination - also protect brain health, with consistency in a meaningful, sustained activity mattering more than any one-off 'brain game.'
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16 September 2026
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