The average Aussie is living longer, but our ageing population is increasing the impact of disease, according to the Australian Institute of Health and Welfare. Its ​latest big report says the average child born in 2020 is likely to live to the ripe old age of 83yo. But 47% of Aussies – or 11.6 million of us – have at least one chronic health condition, with heart disease and dementia at the top of the list. Researchers say a 3rd of conditions are preventable, and when it comes to lifestyle factors, 2 in 3 adults are overweight/obese. The good news: smoking rates hit a record low of 11%. Overall, Oz fared relatively well in 2020 and 2021, but we’re nowhere near past shaking off COVID cases and deaths. Just in time for a 4th booster shot…