Dementia is the second leading cause of death of Australians, according to the Australian Bureau of Statistics.
Dementia - a condition involving a deterioration in cognitive function beyond the normal effects of ageing - now has an estimated global societal cost $1.8 trillion Australian dollars [[US$ 1.3 trillion in 2019]].
A study, published in the Lancet Public Health journal, for the first time uses comprehensive country-level estimates to forecast the prevalence of dementia in those aged 40 years and over in 195 nations.
It also accounts for the potential effects of trends in exposure to known dementia risk factors.
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