Sydney Morning Herald: LIFE expectancy could begin to decline for the first time in more than a century if the world does not tackle an epidemic of chronic diseases, experts have warned. An international summit in Sydney will be told today that four preventable conditions – heart disease, diabetes, chronic lung disease and some cancers – are responsible for nearly 60 per cent of the world’s deaths. Ruth Colagiuri, an associate professor of public health at the University of Sydney, said 4 million …