Do Head Hits Shift the Gut Microbiome? - Summary - MDSpire
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Do Head Hits Shift the Gut Microbiome?

  • By

  • Kerri Miller

  • May 7, 2026

  • 5 min

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A study conducted by researchers at Colgate University explored the connection between nonconcussive head impacts in American football and changes in gut microbiome composition among NCAA Division I athletes. Despite being the first to link such impacts to microbiome alterations, the research involved only six participants and faced significant limitations, including low statistical power and lack of a control group. The findings indicated short-term microbiome shifts, but larger studies are required to understand the clinical implications and causal relationships.

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