A concussion may result from a fall in which the head strikes against an object or a moving object strikes the head. Significant jarring in any direction can produce unconsciousness. It is thought that there may be microscopic shearing of nerve fibers in the brain from the sudden acceleration or deceleration resulting from the injury to the head. In the event of a fall, Life Alert can get you the help that you need even if you cannot reach a phone by just pressing a single button.

The length of unconsciousness may relate to the severity of the concussion. Often victims have no memory of events preceding the injury or immediately after regaining consciousness with worse injuries causing longer periods of amnesia.

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