And perhaps faintly, they hint that people should look to intangible qualities like character and intellect rather than dieting their way to size zero or wasp-waist physiques.
But as diet and health improved, children and adolescents have, on average, increased in height by about an inch and a half every 20 years, a pattern known as the secular trend in height.
The paintings of the Yam tradition also suggest that, during this time, the Aborigines moved away from animals as their main food source and began including vegetables in their diet as these feature prominently.