Falling injuries are the most common cause of injury-related emergency room visits, with nearly 8 million cases happening every year . These types of tumbles are usually associated with older folks, but a fall at any age can be dangerous—especially if you hit your head. It doesn’t take much to get a concussion, which can cause brain damage, confusion, intense headaches, vertigo, vision loss, memory loss, and trouble focusing. You could die from smacking your head too, even if it seems like a fairly soft blow. You could get a subdural hematoma , a life-threatening condition where your brain basically bleeds and builds up your intracranial pressure. It’s hard to detect without getting a CAT scan, and symptoms can be subtle .