 Impuguke ziherutse kwandika mu kinyamakuru cyo mu Bwongereza gitangaza ubushakashatsi mu buvuzi cya British Medical Journal zivuga ko amategeko yiyi mpuzamashyirahamwe afite ibyago byo gutanga urugero rudashingiye kuri siyansi ku bindi bibazo bitewe nuko umuntu yavutse. 