March is Traumatic Brain Injury Awareness Month, and statistics show nearly six million people a year suffer from the condition.

But, the head of neuro-surgery at White Plains Hospital says that number could be higher than reported.  "What you might think as traumatic brain injury, like a serious car accident, where someone is in a coma … obviously those are the most serious cases. But there are many other smaller minor cases just from trivial falls in older people or sports injuries, and so, some of them don't even go reported," says Dr. Kaushik Das, Director of Neurosurgery, White Plains Hospital.

Dr. Das says it is imperative you look out for common warning signs of problems after hitting your head. They include:

The doctor says if it has been four to six weeks since your minor head injury, and you are still not feeling better, go see a neurologist for further testing. This is so important because what you think is a minor injury, could quickly growing into a something more serious.