Ososayensi baseMelika benze isivivinyo lapho abesifazane abangama-420 abakhuluphele babamba iqhaza khona. Lezi zintokazi zanikezwa uhlelo lokunciphisa isisindo. Ababambe iqhaza esivivinyweni samasonto angama-20 bahlukaniswe ngamaqembu amabili: kwelinye, abesifazane badla isidlo sasemini kwaze kwaba yihora lesithathu ntambama, nakwelinye ngemuva.
Ngesikhathi kubhekwa, kwavela ukuthi abesifazane abavela eqenjini lokuqala banciphisa isisindo ngokushesha kunalabo abadla kamuva. Ngendlela, kulabo besifazane ababengabeseqenjini lesibili, odokotela bathola ukuzwela kwe-insulin okunciphile, okugcwele ukukhula kwesifo sikashukela.
Ngokuya ngemiphumela yalolu cwaningo, ososayensi bancoma ukuthi: ngesikhathi sokudla kwasemini, dla cishe ama-40% ama-calories avela ekudleni kwansuku zonke, futhi ukwenze lokhu kungakadluli ihora lesithathu ntambama.