"We found that immune cells in the spleen can contribute to chronic anxiety following psychological stress," said Daniel McKim, a graduate student at The Ohio State University and the lead author of the study.
"Our findings emphasize the possibility that the immune system represents a novel therapeutic target for the treatment of mental health conditions."
Credit: George Hodan/public domain. Scientists are uncovering clues. Image sourced from Science X. Available at: https://scx1.b-cdn.net/csz/news/800a/2014/stress.jpg