The CSIRO, Australia's national science agency, has been dedicated to the practical application of knowledge and science for society and industry since 1928. Today the CSIRO ranks in the top one per cent of world scientific institutions in twelve out of twenty-two research fields. CSIRO Health and Biosecurity conducts research into human health, including disease prevention, diagnosis and innovative treatment. Professor Grant Brinkworth is a principal research scientist in Clinical Nutrition and Exercise at CSIRO Health and Biosecurity. He has a PhD and expertise in diet, nutrition and exercise science. Pennie Taylor is the senior research dietitian at CSIRO Health and Biosecurity.