肚餓

肚餓，係動物嘅一種感受，引起肚餓嘅原因係肝嘅肝糖水平跌到低過某個值。呢種感覺係喺下丘腦產生，由肝同胃嘅感覺接受器感應。一般人可以超過卅日唔食嘢都唔會死，但係唔飲水就淨係維持到三日。

饑荒
頸渴

拎 
World Food Programme | WFP
Action Against Hunger | ACF-USA
Action Against Hunger | ACF-UK
The Global Food Security and Nutrition Forum (FSN Forum)
Ten Things you can do to Fight World Hunger The Nation, 13 May 2009
United Nation 2007 report
Hunger Relief research on IssueLab

飲食