Yankho lofunika kwambiri pafunso loyaka moto ndiloti zoopsa zomwe zimaperekedwa kwa thupi la munthu ndi kukana kwathunthu kudya chakudya cham'mawa. Anthu omwe amadumpha chakudya cham'mawa amakhala pachiwopsezo chokumana ndi chowopsa - kusowa kwa michere yofunika.
Akatswiri adaphunzira zambiri za 30889 America azaka za 19 ndi akulu omwe adachita nawo kafukufuku wa National Health and Nutrition Examination Survey (NHANES) kuchokera ku 2005 mpaka 2016. Monga gawo la kuyesera, odziperekawo adayenera kupanga malipoti ozungulira nthawi zonse pazakudya zawo: iwo anazindikira ngati chinali chokhwasula-khwasula kapena chakudya chathunthu, ndipo anasonyezanso nthawi. Mwanjira iyi, akatswiri adapeza omwe adadya chakudya cham'mawa komanso omwe adakana kudya m'mawa.
Asayansi adapeza kuti 15.2% ya omwe adatenga nawo gawo, kapena anthu 4924, adakana kudya chakudya cham'mawa. Akatswiriwa anawerengera pafupifupi chiwerengero cha zakudya kwa munthu malinga ndi deta pa chakudya. Iwo anayerekezera zotsatira zake ndi malangizo a Bungwe la Food and Nutrition Board la US National Academy of Sciences.