Everyday experiences of racism can impact your brain-gut microbiome, new study shows (via CNBCMakeIt)
In Asian Americans, researchers saw an uptick of metabolites associated with cholesterol, which could be evidence of increased consumption of fatty foods."Discrimination based on race or ethnicity had a lot to do with more inflammation in the body which led to changes in the microbiome which led to inflammatory response," says Tien S. Dong, an assistant professor at UCLA who also co-authored the study. Dong' s research focuses on the gut microbiome and liver disease.
"This kind of chronic inflammatory response can lead to negative health outcomes, we've seen in prior research."Mental effects also varied across race, but all races had an increase in emotional arousal or parts of the brain associated with fight or flight.Asian Americans had increased connectivity in the sensorimotor network, which indicates disrupted sensory functions and is often observed in "patients with major depressive disorders," the study reads.
Black and Hispanic participants, specifically, experienced increased connectivity in the part of the brain associated with self-reflection. Hispanics also experienced more connectivity in the part of the brain associated with hypervigilance. Being able to calmly recall painful experiences, Dong and Gupta agreed, might make it appear like those experiencing racism are doing fine. But the study shows that this discomfort might be revealing itself in another way.
"You've experienced discrimination for a long time and to be able to function you had to find ways to cope mentally either through resilience or self-reflectiveness," Dong says. "But that stressor or injury was still there. Instead of manifesting itself through anxiety and depression like their white Caucasian counterparts they internalize it biologically."
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