Je was op zoek naar: predisposition (Engels - Wels)

it has been proven that we have a genetic predisposition to eat as much fatty and sugary food as possible
profwyd bod gennym dueddiad genetig i fwyta cymaint o fwyd llawn braster a siwgr ag sy'n bosibl

that was fine when we were running around after woolly mammoths and living in caves , but that predisposition , combined with a modern-day lack of activity , means that we have become a nation of overweight and , in many cases , obese people
yr oedd hynny'n iawn pan oeddem yn rhedeg ar ôl mamothiaid gwlanog ac yn byw mewn ogofâu , ond mae'r tueddiad hwnnw , ynghyd â diffyg gweithgaredd corfforol y byd modern , yn golygu ein bod wedi troi'n genedl o bobl dros bwysau , ac mewn llawer o achosion , yn bobl ordew