More than 446,000 Australians currently live with dementia, the leading cause of death in the country, with numbers expected to exceed 1 million by 2065 without intervention. Professor Henry Brodati from UNSW's Centre for Healthy Brain Ageing explains that cognitive decline is not inevitable, noting half of centenarians live without dementia. Research involving over 6,000 participants demonstrates that brain training, physical exercise, Mediterranean diet, social interaction, and blood pressure control can significantly reduce dementia risk at any age.

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