Australians are living longer than ever before, but many are spending those extra years managing chronic disease, dementia and mental illness, according to a new report that highlights the growing gap between lifespan and quality of life. The latest Australia’s Health 2026 report from the Australian Institute of Health and Welfare (AIHW) shows national life expectancy remains among the highest in the world at 81.1 years for men and 85.1 years fo…