Soccer headers: do they harm the brain? can a mouthguard help?
NCT ID NCT04426188
First seen Jun 04, 2026 · Last updated Jun 21, 2026 · Updated 4 times
Summary
This study looked at 21 soccer players to see how heading a ball 10 times affects the brain. Players were tested with and without a mouthguard. Researchers measured head movement, brain scans, and thinking skills before and after heading. The goal is to understand if a mouthguard can reduce any short-term brain changes.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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CHU de Bordeaux
Bordeaux, 33 076, France
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If it works, this could point toward ways to protect soccer players' brains from repeated head impacts.
What could go wrong
This is a very small, early study with only 21 players. It measures short-term changes, not long-term brain health, so results may not lead to clear protective advice.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.