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(CNN) -- His was a suicide with a macabre twist. In February, former Chicago Bears safety David Duerson shot himself in the chest, but not before leaving behind a note requesting his brain be studied for evidence of a disease striking football players.

The plaintive note read, "Please,cheap handbagsm online, see that my brain is given to the NFL's brain bank."

Today, scientists announced that Duerson's brain tissue showed "moderately advanced" evidence of chronic traumatic encephalopathy, a dementia-like brain disease afflicting athletes exposed to repeated brain trauma.

"Dave Duerson had classic pathology of CTE and no evidence of any other disease," said Dr. Ann McKee, a neuropathologist with the Bedford VA Medical Center, and co-director of the Boston University School of Medicine Center for the Study of Traumatic Encephalopathy. "He had severe involvement of areas that control judgment, inhibition, impulse control, mood and memory."

CTE has been found in the brains of 14 of 15 former NFL players thus far studied at the center. Their cases share a common thread -- repeated concussions,discount brand name handbag, sub-concussive blows to the head, or both. The picture beginning to emerge from these cases is that trauma could be causing brain damage.

A brain with CTE is riddled with dense clumps of a protein called tau. Under a microscope, tau appears as brown tangles that look similar to dementia. Except the cases of CTE have shown this progressive, dementia-like array in players well in advance of a typical dementia diagnosis, which typically occurs in the 70s or 80s.

Mike Webster, an offensive lineman with the Pittsburgh Steelers whose CTE was also diagnosed posthumously, was 50 when he died. John Grimsley, a nine-year NFL veteran who played most of his career with the Houston Oilers, was 45, and Duerson was 50. Scientists at Boston University have found evidence of CTE in the brain of an athlete as young as 18.

"To see the kind of changes we're seeing in 45-year-olds is basically unheard of," said McKee in an earlier interview with CNN.

Duerson suffered a minimum of 10 known concussions during the course of his career, some of them involving loss of consciousness, said Dr. Robert Stern, co-director of the Center for the Study of Traumatic Encephalopathy. Symptoms that nagged Duerson after he retired from the NFL in 1993 were typical of cases such as Webster and Grimsley, including problems with impulse control, an increasingly short fuse and headaches.

Duerson's ex-wife said that while playing professionally,discount designer purse, the head trauma he bore on the field would become plain after games ended.

"Sometimes he would come home with extreme headaches," said Alicia Duerson during an interview with CNN in February. "We would meet after the game and he would want me to drive because he felt dizziness or he just didn't feel stable."

Alicia Duerson said that several years before he died, her husband had been extremely bright, articulate and gifted. But as time wore on, he began to lose those faculties. Duerson began to have trouble forming coherent sentences and spelling. Alongside cognitive and emotional problems, a business that he established after his NFL career was failing.

The tragic culmination of his problems was his suicide February 17 of this year.

"We do seem to be seeing an increased rate in athletes who have early and moderate stage CTE," said McKee, adding the caveat that the Boston University sample is autopsy-based and therefore inherently biased.

Duerson's death, and specifically the decision to shoot himself in the chest, apparently to avoid damaging his brain tissue, shocked members of his family and the football community. Duerson's is the first case in the CTE narrative in which a player ostensibly took his own life to have his brain studied.

"It's important for people to understand that it does not help our research or our mission of the CSTE to take their own lives because they fear they have this disease," said Stern. "The future will lead to successful treatment of this disease."

Duerson's son Tregg said the analysis of his father's brain -- the answers to questions about his death -- has given the family a measure of closure.

"It is my greatest hope that his death will not be in vain and that through this research his legacy will live on and others won't have to suffer in this manner," said Tregg Duerson.
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Reprinted from 759877587 at 07:52 on December 7, 2010 Reading (loading. ..) Comments (0) Category: sentiment of life


human life

selection of teachers, wisdom, life; selected couples,new balance outlet, happy life; election on the environment, happy life;
selection of friends, the sweet life; election on the industry, the achievements of a lifetime.

face ......

the face of Rose, not romantic; the face of beauty, do not have to look at; the face of friends, bread and water;
the face of the family, contribute to sweat; the face of his wife, gazing at each other.


person Xiangxi

phase Xixi person in the goods, person owe respect and respect in Germany, one of the cross at the intersection of love, embracing people of the People in the ceremony,
person believe that the letter was sincere, accompanied with the loved person.

the most

Health is the best gift, contentment the greatest wealth, kindness is the best character,
care is the most sincere greetings, care is the most selfless thoughts, blessed is the best words!

Road and trees

love is the way, a friend is a tree; life is only one road, a road more than a tree;
Forget road when
money,new balance 574, money and time to Kaokao tree;
Do not get lost when
happiness, rest when watering the trees.

people, ah

say that money is evil source,new balance sneakers, wanted to fishing; say that beauty is a source of trouble, are Xiangzhan;
said standing above the crowd,new balance mens, want to climb;
say, woman are having left;
say that heaven is good, do not go!

How to Taste Life

really tired of life, to see how you taste more than a day to find joy, worry not to ignore
just a few years of,Master of water from the weaknesses of human natur, why not cool the face
regular contact with friends, do not call too much possession charges
leisure send a message, you are happy with an appetizer.

people in my entire life

people in my entire life, how are all over, instead of frown, as smiling.
Biexian winter cold and summer heat Biexian, money not so poor, no money do not ostentatious.
leisure Yang Yang Shen, daily look for music, have tasted bitter and sweet and sour, be considered not lived in vain!

Fu

more blessed life, want to open on the content. Consider ignorance bitter, wise is a blessing.
think about hungry bitter, warm and is a blessing. Consider fatigue bitter, leisure is a blessing.
think about lonely bitter, A friend is a blessing. Flow lines in the heart, the heart is too big FU!

life ... ...

use the sea of life with openness, dominated by the scientific method, with the emperor's imperial stomach,
lung wash with fresh air, bright sun drying is used, the same as Lanmao sleep.


peace like

much or how little, often like; who the bad guy Jun, pleasing to the eye like; few elderly people, health is good;
rich poor family home, like gas; right or wrong, understanding like; person's life, like peace.

Concert

tea - bitter and then sweet, evocative; wine - soft and stamina,new new balance shoes, as people Road, Shuang;
spring - clear and tasteless, but a lifetime to taste the sweet.
a bosom friend,, such as tea, such as wine,在世博遇见日本非主流 - Qzone日志, such as the spring, people benefit from life.

will live

not too tired and more rest, when to eat at point of sleep. Xiangui to buy say nothing fancy, and the environment not against.
was empty and friends gather together, both have clearly drunk. Consumer can make money, be considered life enjoyably.

or ... ... or

or short, or elegant, flowers always in bloom; or surplus or missing, the monthly total in the sky;
or pleasure or pain, life is always in the past; or hope or despair, hope are always at hand;
or see or not see, friends, never mind room.

forget earthly tired

to bread and water support stomach, lung wash with fresh air,new balance running shoes, so that the sun and sun basking
looking for a small group of friends drinking drunk, sleep like a cat sleep like that, forget the tired earth was removed.

love Zile

too hard is one of the most emotional, most difficult to find the love, the most difficult but also the human
the most rare is the friendship, the most difficult point is the family, the most difficult to find the truth
the most painful is relentless, the most adorable face you smile!


know

people who know how to drink, find the feeling; Contented people to find happiness;
people who know how to put down, to find freedom; know how to cherish the people, to find happiness;
caring people, find friends.

Yang Qi

more books keep talented, cautious line of clear air support, heavy brotherhood popular support, to insults and raise ambition
keep doing things
gas temperature, gas Yin Yang stresses the responsibility, the Department of the common people support emboldened
short fame keep upright, not kitsch support backbone, the courage to raise as a noble spirit will keep the atmosphere of tolerance.

health four elements

good psychological health nutrients, tolerance is a mental health control valve
optimism is not old Dan mental health, mental health is indifferent to the immune agent.