She qualified as a dietitian in 1991. Her current research covers optimum diet and exercise strategies to prevent breast cancer and its recurrence. She has over 40 peer reviewed publications. She received the Association Study Obesity National Best practice award 2011 for her work on intermittent energy restricted diets. She is principal investigator for the B-AHEAD-2 trial and B-AHEAD 3 trials testing intermittent diets amongst early and advanced breast cancer patients receiving chemotherapy. Dr Harvie has published 3 self-help guides for the public to follow intermittent diets; The 2-day diet, The 2-day diet cook book and the quick and easy edition. All author proceeds go to the Prevent Breast cancer charity at www.preventbreastcancer.org.uk