Why Doesn’t Your Brain Heal Like Your Skin?
Skin wounds may be painful, but they usually heal perfectly. Worst case scenario, you may be left with a scar. In contrast, when the brain gets injured, we are often left with disabilities that stay with us for the rest of our lives. What is so different about the brain and how does it repair itself? Brain cells face unique challenges when they get injured, for example by a concussion or a stroke. And to cope with these challenges, the brain developed an ingenious strategy to deal with injury.