"All This Chaos Might Be Giving You 'CRISIS FATIGUE' .."Our bodies can't sustain that level of nervous load," says Adrienne Heinz, a clinical research psychologist at the National Center for PTSD, which is part of the US Department of Veterans Affairs. "Things start to fail, the wheels start to fall off. We experience a whole host of consequences—right now we're seeing an uptick in national anxiety and depression. You start to see insomnia, relationship distress."