In foods, energy is cheap where it is abundant and expensive where it is scarce: this is a fact, not an artifact.
Darmon
Nicole
N
Maillot
Matthieu
M
D002755:Choice Behavior; D003365:Costs and Cost Analysis; D004032:Diet; D002149:Energy Intake; D005502:Food / Q000191:economics*; D005638:Fruit; D006801:Humans; D009753:Nutritive Value; D014675:Vegetables