When it comes to potential head injuries, I’m feeling pretty good about my daughters’ sports choices these days: Taekwondo, track, yoga, African dance.
Of course, injuries — head and otherwise — can occur anytime, anywhere. But I have to say, with the wave of new data emerging about the the scary long-term effects of repeated head blows, I’m pleased that they have, so far, shown no interest in hardcore contact sports like football or ice hockey, where head injuries are more common.
But I probably shouldn’t be feeling so puffed-up on this issue quite yet: even sports not typically associated with repeated head bonks are being reevaluated. (See, also: cheerleading.)
One local grandmother told me how concerned she is about her 11-year-old grandson, a soccer fanatic who dreams of playing professionally, and has already had a concussion and other injuries. “He tells me how much he loves soccer,” the grandmother says. “And when I asked him, ‘What about the injuries?’ he says, ‘Oh, that’s just part of the game.’ This certainly takes some of the joy out of watching him play. I’m very worried about what all this is doing to his brain.”
And a Newton mom, who had steered her son away from football and hockey, now has new worries: her 9-year-old just got a concussion skiing. “I think we’ll continue to let him ski, but we just hope he’ll be smarter, more aware — we tell him ‘It’s your head!’ Maybe we should have him wear a helmet all the time.”
The latest study by researchers at Dartmouth published online in the journal Neurology focused on the most notorious contact sports, but found that even one short season of play may change the brain in ways that negatively impact learning, memory and cognition.
Here’s more from the news release:
New research suggests that even in the absence of a concussion, blows to the head during a single season of football or ice hockey may affect the brain’s white matter and cognition, or memory and thinking abilities. The study is published in the December 11, 2013, online issue of Neurology®, the medical journal of the American Academy of Neurology. White matter is brain tissue that plays an important role in the speed of nerve signals.
“We found differences in the white matter of the brain in these college contact sport athletes compared to non-contact sport varsity athletes,” said study author Thomas W. McAllister, MD, of Indiana University School of Medicine in Indianapolis. “The degree of white matter change in the contact sport athletes was greater in those who performed more poorly than expected on tests of memory and learning, suggesting a possible link in some athletes between how hard/often they are hit, white matter changes, and cognition, or memory and thinking abilities.”
The work was completed while McAllister was with the Geisel School of Medicine at Dartmouth in Hanover, NH.
The study involved 80 concussion-free Division I NCAA Dartmouth College varsity football and ice hockey players who wore helmets that recorded the acceleration-time of the head following impact. They were compared to 79 non-contact sport athletes in activities such as track, crew and Nordic skiing. The players were assessed before and shortly after the season with brain scans and learning and memory tests. Continue reading