People battling excess weight have higher rates of disability, diabetes and heart disease - disorders that make them sicker at younger ages and dependent on medications for many years.

VOA: standard.2010.04.08

now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn.

机械装置的时候,我真的很着迷，你可以想象,当重物掉落的时候会带动桨轮旋转。

麻省理工公开课 - 热力学与动力学课程节选

Can you think of any behavior thing that people might do that would at the same time suppress weight and cause bad health consequences?

大家能想到有什么行为是,一方面抑制体重,另一方面引起健康问题的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选