Veterans Show a 50 Percent Reduction in PTSD Symptoms after 8 Weeks of TM Practice (video) Roth Media Share Print E-Mail Loading video... Caption Researchers Drs. Norman Rosenthal and Sarina Grosswald discuss the reduction of PTSD symptoms in veterans practicing Transcendental Meditation. Credit David Lynch Foundation Usage Restrictions None Share Print E-Mail 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.