Healthy food (IMAGE) University of South Australia Caption 5:2 diet is just as effective at achieving weight loss as a continuous energy-restricted diet. Credit Anna Pelzer - Unsplash Usage Restrictions No restrictions. License CC0 Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.