NFL players who began playing before 12 more likely to develop cognitive impairment

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Alzheimer's Society-Care Industry News (250 x 153)Professional American Football players who began playing the sport before the age of 12 may be more likely to develop cognitive impairment than those who took it up after that age according to a study published in Neurology today.

Researchers at Boston University performed cognitive tests on 42 male former National Football League (NFL) players with an average age of 52, all of whom had reported problems with memory and thinking for at least six months. Half of the players started playing tackle football before the age of 12 and the other half started later than that. The number of concussions sustained was similar between the two groups.

The study found that compared with former NFL players who started the sport at age 12 or later, those who started before age 12 performed significantly worse on all test measures, even after researchers took into account the total number of years of football played and the age of the players at the time of the tests. For example, those who played before age 12 recalled fewer words from a list they had learned 15 minutes earlier, and made more repetitive errors on a test of mental flexibility, compared with those who started playing at age 12 or later.

Alzheimer’s Society comment:

Dr Clare Walton, Research Manager at Alzheimer’s Society said:

‘With the Superbowl fast approaching, this study is a timely reminder of the accumulating evidence linking sports involving frequent head injuries with a possible increase in the risk of developing dementia. However, as this study only looked at cognitive performance in middle age and not at changes in memory, we cannot make any conclusions about whether playing American football in childhood has any effect on dementia risk later on.

There is increasing evidence that playing professional American football may have lasting effects on the brain but these findings should not be generalised to other sports such as soccer or rugby where the research is yet to be done.  Parents reading this shouldn’t take this study to mean that children under 12 who play those sports are more at risk of dementia.’

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