How Does Solid Stress from Brain Tumors Damage Healthy Tissue? (video) Massachusetts General Hospital Share Print E-Mail Loading video... Caption A Mass. General Hospital study reveals how solid stress from nodular brain tumors compresses adjacent healthy tissue, restricts blood supply and damages neurons. The psychiatric drug lithium may be able to reduce these effects. Credit Giorgio Seano, PhD, Steele Laboratories of Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital Usage Restrictions Usage restricted to coverage of the research described in this release. 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.