Stress Prompts Anxiety Because Of Immune Cells Recruited To Brain, Animal Study Shows
Posted in: Today's ChiliWhy do we feel anxious when we’re under stress? A new study in mice might have the answer.
Researchers from The Ohio State University found that when mice were exposed to prolonged stress, immune cells called monocytes are “called up” to the brain, prompting feelings of anxiety.
“In the absence of tissue damage, we have cells migrating to the brain in response to the region of the brain that is activated by the stressor,” study researcher John Sheridan, professor of oral biology and associate director of Ohio State’s Institute for Behavioral Medicine Research, said in a statement. “In this case, the cells are recruited to the brain by signals generated by the animal’s interpretation of social defeat as stressful.”
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