When someone has a broken leg, it’s pretty obvious how we can be helpful. We can drive them places, open doors for them, carry their groceries, etc. Concussion is a different kind of injury. It is known as “the invisible injury” because it is not externally obvious to others. There’s no cast, no crutches, and it doesn’t even show up on a CT scan. The individual often struggles with thinking, overstimulation, and fatigue, among other things. Sometimes people aren’t sure what they can do to help. The answers may vary, depending on the individual, but here are some general tips for how to help someone you know who has had a concussion.