Australia NewsAction Needed as Australia’s Dementia Deaths SurgeSavePrintBeing mentally inactive and sedentary can make a person dull. Proper dietary supplementation and regular exercise can effectively help prevent dementia. Robert Kneschke/ShutterstockAAP10/12/2024|Updated: 10/12/20240:00X 1Significant intervention is needed to tackle dementia, which is close to becoming Australia’s leading cause of death, advocates say.There are currently an estimated 421,000 Australians living with dementia and this number is expected to increase to more than 812,500 by 2054.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.