"Overall, this research has revealed that sugar and sweet reward can not only substitute to addictive drugs, like cocaine, but can even be more rewarding and attractive."
Sugar addiction: pushing the drug-sugar analogy to the limit.Ahmed SH, Guillem K, Vandaele Y.Curr Opin Clin Nutr Metab Care. 2013 Jul;16(4):434-9. doi: 10.1097/MCO.0b013e328361c8b8. Review.