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Dementia risk seen in players in N.F.L. study

The New York Times, 9/29/09

Abstract:

A study commissioned by the National Football League reports that Alzheimer’s disease or similar memory-related diseases appear to have been diagnosed in the league’s former players vastly more often than in the national population — including a rate of 19 times the normal rate for men ages 30 through 49.

The N.F.L. has long denied the existence of reliable data about cognitive decline among its players. These numbers would become the league’s first public affirmation of any connection, though the league pointed to limitations of this study.

The findings could ring loud at the youth and college levels, which often take cues from the N.F.L. on safety policies and whose players emulate the pros. Hundreds of on-field concussions are sustained at every level each week, with many going undiagnosed and untreated.

A detailed summary of the N.F.L. study, which was conducted by the University of Michigan’s Institute for Social Research, was distributed to league officials this month.

The study has not been peer-reviewed, but the findings fall into step with several recent independent studies regarding N.F.L. players and the effects of their occupational head injuries.

“This is a game-changer — the whole debate, the ball’s now in the N.F.L.’s court,” said Dr. Julian Bailes, the chairman of the department of neurosurgery at the West Virginia University School of Medicine, and a former team physician for the Pittsburgh Steelers whose research found similar links four years ago. “They always say, ‘We’re going to do our own studies.’ And now they have.”

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