Houston Methodist finds a healthy gut can help heal your brain

Houston Methodist Hospital researchers are reshaping how clinicians think about traumatic brain injury (TBI) by looking beyond the brain itself. In a recent study, the team found that short-term antibiotic treatment after TBI can rebalance the gut microbiome, easing inflammation and limiting damage in the brain. “We found that antibiotic treatment following TBI can reduce harmful gut bacteria, decrease lesion size and limit cell death,” said Sonia Villapol, Ph.D., associate professor in the Department of Neurosurgery at Houston Methodist.

The findings highlight how gut health influences immune responses that affect brain healing, pointing toward therapies that could protect patients long after injury. When trauma disrupts the body’s normal signaling, an imbalanced gut can slow neurological repair. “If the gut stays out of balance, the brain may have a harder time healing,” Villapol explained. The research opens the door to precision treatments that target inflammation at its source, offering healing options for millions of TBI patients and potentially reducing the risk of later neurodegenerative disease.

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