Non-Concussive Head Impacts in Collegiate Football Linked to Subtle Yet Significant Changes in Gut Microbiome Composition A groundbreaking observational study published in May 2026 in the open-access journal PLOS One reveals a compelling correlation between non-concussive head impacts sustained by collegiate American football players and measurable alterations in their gut microbiome. This research, led by Ahmet Ay and Kenneth Douglas Belanger o…
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