Does your child play a contact sport? How worried are you about concussions? Well it turns out nearly 90 percent of parents surveryed at TODAY.com worry about concussions if their children play contact sports. A recent study estimated as many as 2 million sports-related concussions are suffered by kids under the age of 18 every year. However, in recent years, the number of diagnosed consussions have gone up, suggesting we are getting better at identifying the symptons. But some say it's not enough. So what can parents do? Start by talking to your child's peditrician about the risks. Watch for more tips.