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September 2008

Anew report from Boston USA gives new evidence of the awful results of the so-called sport of boxing.

Researchers report that even the relatively mild blows to the head incurred by amateur boxers appear to cause brain damage.

The researchers analyzed the cerebrospinal fluid of 14 amateur boxers for protein markers of brain injury. Levels of one particular marker for brain damage, known as neurofilament light (NFL) protein, were four times higher in boxers within 10 days of the fight than in healthy nonboxers.

In the study, the boxers were tested both after a fight and then again three months after their last match. NFL levels were still elevated three months later.

Researcher Max Hietala, MD, PhD, of Sahlgrenska University Hospital in Goteborg , Sweden , tells WebMD that the Swedish boxers studied were wearing helmets that were much better padded than those generally used in U.S. amateur fights.



“Regardless of the gear, if they got hit more than 15 times, it was like having a mini-stroke,” he says.

NFL levels were up to eight times higher in amateur boxers who received more than 15 high-impact hits to the head after a match than after the three-month rest.

“Given that amateur fights are much shorter and generally involve milder head blows than pro fights, you can just imagine what's happening to professional boxers,” James Kelly, MD, visiting professor of neurosurgery at the University of Colorado in Denver , tells WebMD. Kelly was not involved with the work.