POLIFAGIYa (az poli… va yunoni phylon— khurdan, badnafs), 1) Polifagiyai o d a m — az had ziyod istemol namudani khurok. Polifagiyai dar natijai talaboti ziyodi organizm ba kalloriya va safedaho (massalan, pas az gurusnagii durudaroz, badi kori vaznini jismoni, kasalihoi siroyatyi) yo hangomi baze kasaliho (diabeti qand) ruy medihad. Inchunin Polifagiyai dar natijai ba istiloh gurusnamonii bardurug, ki az kori nodurusti markazi khurok — gipotalamus sar mezagad (masalan, hangomi nevroz, kamaqli), mushohida shudanash mumkin ast.