Why Patients Lie to Their Doctors (IMAGE) University of Utah Health Caption Up to 80 percent of those surveyed have lied to their doctor about information that could impact their health, including describing their diet and how often they exercise. Survey participants explained that they wanted to avoid being judged and didn't want to be lectured about how bad certain behaviors were. Credit Bradley Knickerbocker Usage Restrictions With Credit 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.