It appears that many medical folk are starting to take concussions much more seriously. From the article:

"Researchers are reporting that the effects of multiple concussions on young athletes can be cumulative, she said. Especially “with a second trauma before the brain is fully healed. They can have more serious injury or even death.”

"New research published in the Journal of Neurosurgery and five other studies published since last fall’s sports season find young athletes cannot be put back in the game as quickly as adults.

“Normally, if there was no loss of consciousness or other serious symptoms within a week, we could clear them to go back and play,” said Stephanie Adams, head athletic trainer with Towson Sports Medicine.

Not any more."

http://www.examiner.com/a-371277~Researchers_say_concussions_put_youths_in_danger.html
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"In case you ever wondered what it's like to be knocked out, it's like waking up from a nightmare only to discover it wasn't a dream." -Forrest Griffin