Ukutheleleka ngaphakathi kwamathumbu (i-dysentery, umkhuhlane wamathumbu, i-salmonellosis) kuyimbangela ejwayelekile yokwehla kokukhiqizwa kwe-lactase edingekayo ekucubunguleni amaprotheni obisi. Lesi sifo senzeka ngenxa ye-dysbiosis, lapho kunokungalingani phakathi kwama-microflora amahle nokubi. Enye indlela yokwakhiwa kwesifo esithinta amathumbu amancane kungenxa yomonakalo wamangqamuzana egazi abomvu. Ngaphezu kwalokho, ubukhulu be-hypolactasia kuncike ekuqapheleni kwamagciwane namagciwane. Izici zobungozi ekwakhiweni kwe-pathology yilezi: A print shop owner in Fordsburg, who can't afford a generator, says: "The power cuts are killing business for my shop. Without power, there are no profits." Even for those who can afford a generator, the impact of the power cuts to their business is still large. Themba Dlamini who owns a butchery in Pietermaritzburg said: "Running a generator during power cuts is expensive and doesn't provide enough energy to keep the lights on, to keep the Dabengwa said: ?When I first worked with him, he would be punctual to appointments. He would pay attention to detail and would discuss things for over an hour or two. We used to hold very intelligent discussions with him giving me his piece of mind and I would come out of his office satisfied.