http://www.laboratoryequipment.com/news/2014/06/aging-can-worsen-spinal-cord-injury
In the complex environment of a spinal cord injury, researchers have found that immune cells in the central nervous system of elderly mice fail to activate an important signaling pathway, dramatically lowering chances for repair after injury. These studies were the first to show that spinal cord injuries are more severe in elderly mice than in young adults…