title: Obesity is a complex issue.
mesh_terms: D053180:Animal Nutrition Sciences; D000824:Animal Nutritional Physiological Phenomena / Q000502:physiology*; D000818:Animals; D002371:Cat Diseases / Q000517:prevention & control*; D002415:Cats; D004283:Dog Diseases / Q000517:prevention & control*; D004285:Dogs; D009765:Obesity / Q000517:prevention & control / Q000662:veterinary*