Muhimmancin annashuwa lokaci-lokaci lokacin rasa nauyi an tabbatar da shi ta hanyar masana kimiyya, masana kimiyyar lissafi, da Jami'ar Loughborough (Birtaniya) Kevin Dayton.
Ya yi imanin cewa ƙuntatawa na dindindin da kamun kai suna cutar da lafiyar ku saboda kiyaye maki yakamata ya sami lokacin hutu. Har ila yau, Kevin ya kira 2 ƙarin abubuwan da ake bukata don kawar da karin fam.
Yanayin farko, tsananin kulawa da cin abinci na caloric.
Masanin kimiyya ya yi imanin cewa kowane mutum ta dabi'a yana da damuwa ga kiba. A cikin juyin halitta, jikin ɗan adam ya dace da tarin abubuwan gina jiki, wanda a zamanin da ya zama yanayin da ya dace don rayuwa. Don zama slim da kyau, mutane suna buƙatar yin aiki da kansu.
Yanayin na biyu shine aikin jiki. Yana taimakawa wajen ƙona calories masu yawa; Ban da haka, a cewar masu binciken, irin wadannan ayyuka na rage yunwa.
