"I am looking forward to returning to the Senate on Monday. We've got important business to tackle and big fights to win for Kentuckians and the American people," he tweeted.
Head injuries aren't limited to sports; they can occur anywhere, but experts say recovery involves the doctor, parents, and young athletes.
Serious brain injuries are visible on CT or MRI, but milder ones can't be seen - until symptoms develop
New book and an international group of neurologists say hype about the dangers of tackle football has gone beyond the real science
Researchers at the University of Pennsylvania say they have found a simple way to reduce concussions in college football.
New research shows moving the kick-off and touchback line in football can significantly lower the chances for a concussion.