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Stress has been cited frequently as a factor in autoimmune diseases, including alopecia areata.

Stress caused by social situations, such as giving a speech or going to a job interview, can affect some people's immune system in ways that harm their health, researchers have found.The study included 124 volunteers who were purposely put into awkward social situations. Those who exhibited greater neural sensitivity to social rejection also had greater increases in inflammatory activity when exposed to social stress.

The findings provide "further evidence of how closely our mind and body are connected. We have known for a long time that social stress can 'get under the skin' to increase risk for disease, but it's been unclear exactly how these effects occur. To our knowledge, this study is the first to identify the neurocognitive pathways that might be involved in inflammatory responses to acute social stress," Slavich said.