Exercise is bad for heart health.
This is a list of the busiest international air routes in Australia from Australian airports that have scheduled international traffic , namely Adelaide , Brisbane , Cairns , Darwin , Gold Coast , Melbourne , Perth and Sydney .. International routes are flown strictly between one Australian airport to a non-Australian airport .. These may include stops in other cities -LRB- i.e. Sydney -- London via Singapore -RRB- .. The following figures are calculated by the Australian government Department for Infrastructure , Transport , Regional Development and Local Government .. Australian government. Australian government