Classic Illnesses: Telltale Signs (IMAGE) American Osteopathic Association Caption A number of old diseases are making a comeback. The American Osteopathic Association recommends calling your physician immediately if you or a loved one has any of these unique symptoms. Credit The American Osteopathic Association 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.