What Is a Concussion?


According to the CDC, a concussion is a type of traumatic brain injury (TBI) caused by a bump, blow, or jolt to the head that can change the way your brain normally works. Concussions can also occur from a fall or a blow to the body that causes the head and brain to move quickly back and forth.


Concussions and Sports Injuries By The Numbers


  • There were 120 sports-related deaths of young athletes in 2008-2009; 50 in 2010; and 40 in 2011.
  • High school athletes suffer 2 million injures, 500,000 doctor visits and 30,000 hospitalizations each year.
  • 62% of organized sports-related injuries occur during practices
  • 50% of "second impact syndrome" incidents - brain injury caused from a premature return to activity after suffering initial injury (concussion) - result in death.
  • 400,000 brain injuries (concussions) occurred in high school athletics during the 2008-09 school year.
  • 15.8% of football players who sustain a concussion severe enough to cause loss of consciousness return to play the same day.
  • High school athletes who have been concussed are three times more likely to suffer another concussion in the same season.
  • Injuries associated with participation in sports and recreational activities account for 21% of all traumatic brain injuries among children in the United States

Statistics courtesy of


Symptoms of Concussion



Signs and symptoms of a concussion may include:

  • Headache or a feeling of pressure in the head
  • Temporary loss of consciousness
  • Confusion or feeling as if in a fog
  • Amnesia surrounding the traumatic event
  • Dizziness or "seeing stars"
  • Ringing in the ears
  • Nausea
  • Vomiting
  • Slurred speech
  • Delayed response to questions
  • Appearing dazed
  • Fatigue

Some symptoms of concussions may be immediate or delayed in onset by hours or days after injury, such as:

  • Concentration and memory complaints
  • Irritability and other personality changes
  • Sensitivity to light and noise
  • Sleep disturbances
  • Psychological adjustment problems and depression
  • Disorders of taste and smell

Courtesy of the Mayo Clinic


Concussion Information, News, and Resources


Note: To view some of these resources, you may need to register for a Medscape account. It's completely free and very worth it!

AAN Releases New Concussion Guidelines - The American Academy of Neurology releases new concussion guidelines for athletes and coaches to protect the health of athletes.

NCAA Physician: Concussions Aren't Just Football - Dr. Brian Hainline, the first Chief Medical Officer of the National Collegiate Athletic Association, speaks about the dangers of concussion in other sports besides football.

Football Helmets Differ In Concussion Risk - When it comes to concussion, all football helmets are not made equal.

Study Explores Effect of Concussion on Attention and Executive Function in Adolescents - This study suggests that concussion can have long-term effects on crucial functions of the adolescent brain.

Basics on Concussions - An informative resource on symptoms, when to call the doctor, and more.

Study: The Prevalence of Undiagnosed Concussions in Athletes - Concussions happen more often than is said, researchers find.

Concussion May Boost Risk of Depression in Adolescents - Concussion may be linked to a common mental disorder.

Repeated Concussions May Mean Slower Recovery in Adolescents - One concussion may make it harder to recover from a second.

Sports-Related Concussions in Kids May Have Complications - A simple bump on the head could lead to emotional and cognitive problems in children.

Study Supports Cognitive Rest Following Concussion - Research suggests that children should avoid activites post-concussion that require high levels of cognitive activity.

Concussion: Kids' Symptoms May Linger and Change Over Time - The immediate symptoms may not be the same symptoms that manifest themselves days or weeks later.

Study: Even Mild Concussion Can Cause Thinking, Memory Problems - Mild concussions are still brain injuries with effects.


If you think you or a loved one have sustained a brain injury, seek treatment by a medical professional. The content on our site is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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