Concussions are considered the "invisible" injury, since they do not show up on medical imaging tests such as x-rays or CT scans. But they are also considered "invisible" because their effects are often misunderstood.
Thinkfirst.ca is a national non-profit organization dedicated to the prevention of brain and spinal cord injuries. Online resources include:
Wipeout provides information about the brain, traumatic brain injury and injury prevention.
The Sport Medicine Council of Alberta has a webpage devoted to concussion information and links to professional and medical websites.
