听力原文： Kraft is one of the world's largest food producers. In America its products include Oreo biscuits and Kool Aid drinks. Like rivals, the company has come under mounting pressure to encourage consumers to cut back on potentially unhealthy foods. There's been particular concern about rising obesity levels in rich countries -- in America two thirds of adults and fifteen percent of children are overweight. In a statement Kraft said it recognized that parents were concerned about the mix of food products advertised to young children. The company will no longer run advertisements for high calorie, high fat products in cartoon shows and other television programmes aimed at young viewers. It will also change marketing policies for advertisements in newspapers and other media. Health concerns among the big food firms are driven by legal worries as well as consumer pressure -- last year the hamburger chain McDonalds fought off a lawsuit by children who blamed their weight problems on its products. What has been happening to Kraft?