by Josh Barney, University of Virginia Credit: Neuron (2023). DOI: 10.1016/j.neuron.2023.04.011 New research suggests that the immune system’s ability to respond to spinal-cord injuries diminishes with age, and identifies potential avenues to improve that response and help patients heal. The findings offer insight into how the immune system responds to spinal-cord injuries, and why that response becomes blunted with the passing years....