Study Infographic (IMAGE) Frontiers Caption This is an overview of the study methods and results, which demonstrate a link between chronic fatigue syndrome symptoms and lower thyroid hormone levels Credit © 2018 Ruiz-Núñez, Tarasse, Vogelaar, Dijck-Brouwer and Muskiet. Front. Endocrinol. | doi: 10.3389/fendo.2018.00097 Usage Restrictions None License Licensed content 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.