The topic of weight and its relationship to health is contentious for some people, but the relationship between eating too much and not exercising enough is fairly clear at waistline level. The interactive infographic below, developed by the Australian Science Media Centre, shows how the percentage of obese Australians has changed over time, and shows two possible futures: one where we continue on current trends, and one where we adjust our habits.
Picture by Scott Barbour/Getty Images
Hit the infographic to see the changing obesity levels. The "change our ways" approach assumes only that we cut our consumption by one glass of wine or soft drink a day, or take a 30 minute walk every day. Not exactly an earth-shattering challenge, is it?