A recent study conducted by the American Institute for Cancer Research has alarmed experts such as the Institute's Melanie Polk, who is anxious about the study's findings that the US public is still largely ignorant of the link between what we eat and the onslaught of the deadly disease.In the body-conscious country renowned for producing a variety of fad diets and home to a rising national obesity rate, nutritionist Polk commented that the results of the survey "are of real concern.