In the brain, it led to chronic activation of the immune system, even long after the viral infection had been cleared. (newscientist.com)
The third group was administered a compound to induce a brief activation of the immune system, akin to making them a little sick for a brief time. (unlv.edu)
Thus, the current study suggests that suicide emerges in the context of a relatively greater activation of the immune system than typical stress or depression. (sciencedaily.com)