concussion concussion

U.S. Marines fire the Carl Gustav rocket system during live-fire training last October. With each firing, the shooter's brain is exposed to pulses of high pressure air emanating from the explosion that travel faster than the speed of sound. Sgt. Aaron Patterson/3rd Marine Division/DVIDS hide caption

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Sgt. Aaron Patterson/3rd Marine Division/DVIDS

Report To Army Finds Blast From Some Weapons May Put Shooter's Brain At Risk

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Aaron Hernandez (81), of the New England Patriots, lost his helmet during this play against the New York Jets in 2011. Hernandez killed himself in 2017, and researchers found that he had had one of the most severe cases of CTE ever seen in someone his age. Elsa/Getty Images hide caption

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Elsa/Getty Images

Repeated Head Hits, Not Just Concussions, May Lead To A Type Of Chronic Brain Damage

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Professional fighter Gina Mazany practices during a training session at Xtreme Couture Mixed Martial Arts in Las Vegas. She well remembers her first concussion — which came in her first fight. "I was throwing up that night," Mazany says. Bridget Bennett for NPR hide caption

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Bridget Bennett for NPR

Female Athletes Are Closing The Gender Gap When It Comes To Concussions

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A saliva test allowed scientists to accurately predict how long concussion symptoms would last in children. technotr/Getty Images hide caption

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technotr/Getty Images

Spit Test May Reveal The Severity Of A Child's Concussion

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Coalition forces fire a Carl Gustaf recoilless rifle during a training exercise in Afghanistan's Helmand province in 2013. Spc. Justin Young/U.S. Department of Defense/DVIDS hide caption

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Spc. Justin Young/U.S. Department of Defense/DVIDS

Do U.S. Troops Risk Brain Injury When They Fire Heavy Weapons?

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Charles Mayer, 30, of San Diego survived an IED attack while serving in Iraq in 2010, but has suffered from complications including PTSD. Stuart Palley for NPR hide caption

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Stuart Palley for NPR

War Studies Suggest A Concussion Leaves The Brain Vulnerable To PTSD

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Derek Amato is one of only a few dozen known "sudden savants." Derek Amato hide caption

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Derek Amato

Stroke of Genius: How Derek Amato Became a Musical Savant

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Minnesota Vikings quarterback Teddy Bridgewater lies unconscious after sustaining a particularly nasty hit to the head during a game against the St. Louis Rams in 2015. The NFL reports there were 271 diagnosed concussions last year. Jeff Haynes/AP hide caption

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Jeff Haynes/AP

Dr. Bennet Omalu speaks on stage during the 2015 Health Hero Awards hosted by WebMD on Nov. 5 in New York City. Bryan Bedder/Getty Images hide caption

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Bryan Bedder/Getty Images

Doctor Behind 'Concussion' Wanted To 'Enhance The Lives' Of Football Players

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Football rules, uniforms, helmets and protective gear have changed a lot over the years. Keystone-France/Gamma-Keystone via Getty Images hide caption

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Keystone-France/Gamma-Keystone via Getty Images

Why Do We Love Football So Much? Theater Tackles Tough Questions

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