(WTNH) – Concussions may seem commonplace, especially in teens and athletes, but they may be more dangerous than we realize if we let them go unchecked.

News 8 spoke with Dr. Stephanie Alessi-LaRosa, director of the Hartford HealthCare Sports Neurology Program, to discuss the true nature of concussions. What causes them? What are the symptoms? What are the effects?

Dr. Alessi-LaRosa answers all of these questions and more.

Watch the video above for the full interview.