Traumatic brain injuries, or concussions, are very common among athletes, especially ones who play contact sports like football, hockey, or soccer.

Concussions and repetitive head trauma in sports like football and boxing, once accepted as an unpleasant consequence of ...

Yet ProPublica reports that the EPA "downplayed the threat the chemical poses to people living near industrial plants." Separately, the post-holiday sick season is in full swing, as CDC data show that ...