This article looked a little suspicious still because this is hypothesis level. It does not say anything about why it happens or why some people does not experience Dementia. This article just focus on retire football player and football itself,but it does not say about after life of retirement players and other physically aggressive sports like boxing. The cause of Dementia might be come from life style of life of after retirement. Anyway we do not know. This research does not look reliable yet, so I think players should not pay attention to it too much.
Even if this article was true, how many current players quit football for risk of future Dementia? All sports player or athletes have some degree of risk factor to get injury or unconformity. If they have risk factor, they just try to reduce it, but this article say about rate of Dementia in NFL and it finished. there is no useful information to prevent from Dementia. I hope researchers will research more detail and suggest prevention or other useful information.
Keiji Ino Kin332 sec 2
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