A new study from the Society for the study of Ingestive Behaviour reveals why we can never seem to stay full after a meal rich in fat. Researchers from the University of Georgia, Washington State University and Binghamton University have subjected rats to a high fat diet and found microbes in their intestines can alter the signals to the brain that indicate being full. The team found that the macrobiotics of the rats changed significantly when introduced to the high-fat diet. The bacteria found