Congress banned PCBs nearly 40 years ago, but the damage they did can't be undone... and more high school athletes are being identified with concussions.
Research estimates high school athletes experience between 130,000 and 300,000 concussions every year.
A study published in the journal Neurology on Wednesday indicates repeated hits to the head can be just as dangerous as larger hits that cause concussions.
The lawsuit claims the NCAA didn't do enough to protect football players from concussions.
Legislation requiring concussion education passed a Senate committee Wednesday.
Injuries like the one a Bloomington football player received two weeks ago inspired a new law requiring coaches to sideline players with concussion symptoms.
A study says concussions suffered by young soccer players have life-long effects, but an Indianapolis doctor notes the research was done on adults.