ABSTRACT
Hippocrates'advicetophysiciansisalsoakeyprincipleofanimals'feeding behavior:Itisnotalwayspossible,orevennecessary,toselectthebestavailable foods,butitisalwaysimportanttoavoidpotentiallyharmfulfoods.Itistobe expected,anditappearstobethecase,thatevolutionshouldhaveprepared animalsinmanyandvariedwaystosolvetheproblemsoffoodchoice.Among thesewaysistaste-aversionlearning(TAL).
