Results from a study led by Harvard Medical School show that having a moderate to severe traumatic brain injury (TBI) significantly, albeit modestly, increases the risk of developing a malignant brain tumor.

“TBI is a leading cause of morbidity and mortality worldwide, with substantial prevalence across the general population,” explain the authors of the paper describing the study published in JAMA Network Open .

“Although the increased mortality risk in individuals with TBI is partially attributable to their heightened risk for chronic diseases, other potential mechanisms remain underexplored.”

In this study, the research team looked at the impact of any form of traumatic brain injury on future brain cancer risk in a large group of 151,358 adults. Half had mild-severe TBI and were t

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