Meyi 2022: Ngokokutholakele ocwaningweni olushicilelwe ngoFebhuwari 1 kuJournal of the National Cancer Institute, abantu abadala abakhuluphele noma abakhuluphele abalahlekelwa ngaphezu kwamakhilogremu angu-5 eminyakeni emihlanu banamathuba aphansi angama-46 okuba ne-precanc.