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SPORTS MEDICINE :
MEDICAL: CONDITIONS: CONCUSSIONS :
SPORTS: FOOTBALL :
SPORTS: EQUIPMENT: HELMETS :
PREVENTION:
Football Helmets Don't Provide Much Protection
from Concussions, Study Suggests
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Football Helmets Don't Provide Much Protection
from Concussions, Study Suggests
Kevork Djansezian
Getty Images
CBS News
February 18, 2014, 12:17 PM
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Football helmets are supposed to be a source of protection, but they may
do little to ward off the effects of a hit to the side of the head that
can cause traumatic brain injuries such as concussions.
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A new study shows that blows that cause rotational force arent warded off
much by the sports equipment. Rotational injury occurs when the head
rotates on the neck because of the impact, causing the brain to rotate.
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"Biomechanics researchers have long understood that rotational forces, not
linear forces, are responsible for serious brain damage including
concussion, brain injury complications and brain bleeds. Yet generations
of football and other sports participants have been under the assumption
that their brains are protected by their investment in headwear
protection, study co-author Dr. Frank Conidi, director of the Florida
Center for Headache and Sports Neurology a, said in a press release.
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Experts and athletes have grown increasingly concerned that repeated head
trauma may lead to chronic traumatic encephalopathy (CTE), a degenerative
brain disease. CTE causes symptoms similar to Alzheimer's, including
memory loss, mood swings, cognitive issues, depression, confusion,
aggression and motor skill issues. The patient's brains sustain physical
damage, including a buildup of proteins called tau and tangled nerve
cells. It can only be definitively diagnosed after death.
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Traumatic brain injuries have also been shown to triple the risk of early
death.
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snip
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The helmets were better when protecting the dummy from linear impacts. On
average, the helmets reduced the risk of skull fracture by 60 to 70
percent compared to not wearing a helmet, and lowered the risk of brain
tissue bruising by 70 to 80 percent.
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But the football helmets reduced the risk of traumatic brain injury by
just 20 percent compared to not wearing a helmet.
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The complete article may be read at the URL above.
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CTE study finds first symptoms in athletes with brain disease
Ryan Jaslow
CBS News
August 21, 2013, 7:00 PM
http://www.cbsnews.com/news/
cte-study-finds-first-symptoms-in-athletes-with-brain-disease/
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A shorter URL for the above link:
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http://tinyurl.com/knscr2s
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Brain scientists are reporting new clues on how the disease chronic
traumatic encephalopathy (CTE) attacks the brains of athletes and combat
soldiers. CTE is a degenerative brain disease caused by concussions and
other repeat brain trauma.
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The disease can only be diagnosed in autopsy, but there have been reports
of emotional changes and Alzheimer's-like symptoms in some athletes prior
to their posthumous diagnoses. The disease has been found in former NFL
players including Dave Duerson, Ray Easterling and more recently Junior
Seau, all of whom committed suicide.
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By studying male athletes with CTE, the researchers found what may provide
the earliest signs of the disorder in the living.
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"This is the largest study to date of the clinical presentation and course
of CTE in autopsy-confirmed cases of the disease," study author Dr. Robert
A. Stern, a professor of neurology and neurosurgery at Boston University
School of Medicine, said in a statement.
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Stern, along with Dr. Ann McKee, a professor of neurology and pathology at
BU, co-founded the school's Center for the Study of Traumatic
Encephalopathy, sometimes referred to as the NFL's "brain bank" because
deceased players' brains are donated there for study.
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In May 2012, a study led by McKee and the Center found evidence of CTE in
the brains of deceased soldiers in their 30s who suffered traumatic brain
injuries.
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The complete article may be read at the URL above.
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