The critical role of energy density in obesity has been revealed by andrew prentice , professor of international nutrition at the london school of hygiene and tropical medicine , and susan jebb , of the medical research council human nutrition centre in cambridge 伦敦公共医学与热带医学学院的国际营养学教授安德鲁?普伦蒂塞和剑桥大学医学研究学会人类营养研究中心的苏姗?杰布已经揭示了能量密度在导致肥胖中的关键性作用。