{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T13:40:36Z","timestamp":1753882836923,"version":"3.41.2"},"reference-count":27,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["JRSM Open"],"published-print":{"date-parts":[[2021,11]]},"abstract":"<jats:p> Summary <\/jats:p><jats:sec><jats:title>Aims:<\/jats:title><jats:p> The present study aims to provide a narrative review of the literature surrounding concussion and head injury in football and its clarity in evaluating the risk of long-term neurological disease. <\/jats:p><\/jats:sec><jats:sec><jats:title>Findings:<\/jats:title><jats:p> Epidemiological studies have shown correlations between participation in professional football and increased incidence of neurodegenerative disease and there have been reports of chronic traumatic encephalopathy (CTE) in the brains of former players in autopsy. These findings have been assumed by some to be the result of repetitive brain injury from head injuries and\/or from heading the ball over a player's career. Data linking increased heading exposure with dementia is conflicting, and studies are limited by the reliance on retrospection and undocumented reports of concussion. It remains unclear whether CTE is unique to sportsmen or a variant of dementia pathology endemic in the population. <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions:<\/jats:title><jats:p> Although logically appealing, there is no current evidence that heading is the cause of neurodegeneration amongst footballers and risks should be balanced by the protective mental and physical benefits of the sport. Physicians have an important role in providing balanced views in this emotive and controversial area. <\/jats:p><\/jats:sec>","DOI":"10.1177\/20542704211055558","type":"journal-article","created":{"date-parts":[[2021,11,18]],"date-time":"2021-11-18T11:58:40Z","timestamp":1637236720000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["The neurological risks of playing association football"],"prefix":"10.1177","volume":"12","author":[{"given":"Oliver C","family":"Cockerell","sequence":"first","affiliation":[{"name":"The London Clinic, London W1G 6HL, UK"},{"name":"Queen Mary University of London, Mile End E1 4NS, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5056-3459","authenticated-orcid":false,"given":"Natalie","family":"Iino Hayes","sequence":"additional","affiliation":[{"name":"School of Biomedical Sciences, University of Leeds, Leeds LS2 9JT, 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