Study Links Frequent Header in Amateur Soccer to Brain Microstructure Changes
Frequent heading in amateur soccer may cause microstructural changes in the brain's folds, potentially impacting cognitive health. New research highlights the need for awareness and safety measures in contact sports.
Recent research published in Neurology reveals that amateur soccer players who frequently use their heads to control or pass the ball—known as heading—may experience microstructural changes within the brain's folds. While the study does not establish a direct cause-and-effect relationship, it highlights a noticeable association between repetitive head impacts and alterations in brain tissue.
The investigation involved 352 amateur soccer players with an average age of 26, alongside 77 athletes from non-contact sports with an average age of 23. The soccer participants' headers were quantified over a year, with athletes in the highest impact group averaging 3,152 headers annually, compared to just 105 headers in the lowest group.
Brain scans focused on the juxtacortical white matter—white matter located near the gray matter of the cerebral cortex. By analyzing water molecule movement within this brain layer, researchers observed that players with higher header counts exhibited significantly greater disruption in microstructure compared to lower-impact players and non-collision sport athletes. This disorganization was indicative of deteriorating brain health.
Furthermore, cognitive assessments revealed that athletes with more disrupted white matter showed poorer performance in thinking and memory tests. Particularly, the disruptions in the orbitofrontal region—situated just above the eye sockets—appeared to influence the relationship between head impacts and cognitive functions.
Lead author Dr. Michael L. Lipton from Columbia University emphasized that this white matter layer may be especially vulnerable to repeated trauma from headers and could serve as an early indicator of brain injury. However, he noted that more research is necessary to fully understand this relationship and to develop early detection tools for sports-related head trauma.
It’s important to recognize that the study’s estimate of header frequency was based on athlete self-reporting, which may be subject to inaccuracies. Nonetheless, the findings underscore potential risks associated with repetitive heading in amateur soccer and suggest a need for further exploration into protective strategies.
Overall, the study suggests that while sports participation offers various health benefits, repetitive impacts—such as those from heading—might pose risks to brain health, emphasizing the importance of balancing activity with safety considerations.
Source: MedicalXpress
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