Deprived of food long enough, the bodies of starving people break down muscle tissue to keep vital organs functioning. Diarrhea and skin rashes are common, as are fungal and other infections. As the stomach wastes away, the perception of hunger is reduced and lethargy sets in. Movement becomes immensely painful. Often it is dehydration that finally causes death, because the perception of thirst and a starving person's ability to get water are both radically diminished.
Civilization has defeated mass starvation. So why are so many Somalis dying of hunger?