首相 League clubs 明らかにする／漏らす parents' 恐れるs over 長，率いるing the ball after Roy Keane 誘発するs 熱狂的興奮状態 with chess jibe

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Parents of children on the 調書をとる／予約するs of at least three 首相 League 学院s have 表明するd 関心s to coaches about the 影響s of 繰り返して 長，率いるing the ball.

共和国 of Ireland assistant 経営者／支配人 Roy Keane said this week that players should ‘play chess’ if they are worried about brain 損失 原因（となる）d by 長，率いるing. He was 答える／応じるing to a question about the 退職 of Irish striker Kevin Doyle 予定 to repeated concussion.

Doyle, who 現在／一般に remains in the 部隊d 明言する／公表するs where he has spent the last two years with Colorado 早いs, is coming to 条件 with the fact his playing career is suddenly and 突然に over.

Roy Keane said that players should ‘play chess’ if they are worried about brain 損失

His 退職 反映するs the worries of parents of young players and 最高潮の場面s the 緊急の need for 研究 into whether there are links between 長，率いるing the ball and concussion or the degenerative 病気 chronic traumatic encephalopathy (CTE).

Manchester City club doctor Matthew Brown said that concussion is ‘a 大規模な 問題／発行する’ which parents of 学院 players 老年の eight to 12 are 関心d about.

‘At Manchester City we have a philosophy of football. We play beautiful football,’ Brown said. ‘There isn’t a lot of 長，率いるing. I am not going to say there isn’t ever any 長，率いるing because 明白に there is. But what I do is… get the parents in, talk to them about it.

Manchester City club doctor Matthew Brown said that concussion is ‘a 大規模な 問題／発行する’

‘To any 関心s they may have and the hypothetical 危険 of links to dementia at an 早期に age, I say [that] as a club we are doing everything we can to both 限界 長，率いるing, 診断する, 査定する／（税金などを）課す, manage and rehabilitate 長，率いる 傷害s.

‘One thing I would say to these parents is there is no [proven] links. Yes, people are talking about it. In the 未来 will they ever 証明する a link? I don’t know. We’ve done a bit of work with 専門家s around the country and they’ve said at the moment there’s no exact link between 長，率いるing the ball and concussion or CTE.’

In the 部隊d 明言する／公表するs, 長，率いるing for under 11s has been banned because of the possible 危険.

In February, a UEFA-（売買）手数料，委託（する）／委員会／権限d 研究 事業／計画（する） was 開始する，打ち上げるd, 目的（とする）d at helping 設立する the 危険 提起する／ポーズをとるd to young players during matches and training 開会／開廷／会期s. One 首相 League club is 伴う／関わるd in that 熟考する／考慮する.

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