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Soccer headers: do mouthguards protect your brain?
NCT ID NCT04426188
First seen Jun 24, 2026 · Last updated Jun 24, 2026
Summary
This study looked at how heading a soccer ball changes the brain and whether wearing a mouthguard makes a difference. Twenty-one male soccer players did 10 headers in two sessions—once with a mouthguard and once without. Before and after, they had brain scans, cognitive tests, and measurements of neck strength and jaw muscle activity.
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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 successful, this could help understand how soccer headers affect the brain and whether mouthguards reduce that impact.
What could go wrong
This is a very small, early study with only 21 male players. It looks at short-term changes, not long-term brain health, so results may not apply widely.
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.