#hungriness__hunger  a physiological need for food
  supertype:  #drive.physiological_state  a physiological state corresponding to a strong need or desire
  subtype:  #bulimia  pathologically insatiable hunger (especially when caused by brain lesions)
  subtype:  #emptiness.hungriness__emptines  having an empty stomach
  subtype:  #edacity__esurience__ravenousnes__voracity__voraciousness__voraciousnes  excessive desire to eat
  subtype:  #starvation__famishment  a state of extreme hunger resulting from lack of essential nutrients over a prolonged period
  subtype:  #undernourishment__malnourishment  not having enough food to develop or function formally

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