March 18, 2009 5:56 pm Brain Injuries: Know the Symptoms We all know head injuries are dangerous. But did you know that it can take hours — even days — for some brain injuries to set in? Here’s some symptoms to look to look for. Local 2:31 Cases of bacterial infections linked to rats are on the rise in NYC: What to know 1:56 Long Island children's hospital warns of possible measles exposure 2:05 Doctors warn of potential measles exposure on Long Island 3:00 Organ recipient becomes donation advocate 1:52 NYC businesses must now use lidded bins for trash