Injuries in the central nervous system (CNS)—such as those in the spinal cord—trigger glial scar formation, which inhibits nerve regeneration from healthy neurons surrounding the damage. This results ...

Spinal cord injuries cause permanent paralysis in part because inflammation, cell death, and glial scarring block nerve regeneration, and there has been no reliable human tissue model to test ...

The moment half your body stops responding to your commands ranks among the most frightening experiences imaginable. Whether you’re the one affected or witnessing it happen to someone else, ...

You wake up out of a murky sleep and find that you’re unable to move your body, from your forehead all the way down to your little toe. You’re completely paralyzed! You also have a crushing feeling in ...

Sarah Bradley is a writer with six years of experience creating personal essays, reported features, and content related to health and parenting topics. Sleep paralysis involves being awake but unable ...

Imagine waking up in pitch darkness to a slavering monster with blood dripping down its fangs. You try to cry out for help but can’t. You're paralyzed from head to toe! Sleep paralysis—paralysis upon ...

Sleep paralysis happens when you wake up but can't move for a few minutes. Stress and anxiety can trigger episodes of sleep paralysis. Sleep paralysis isn't dangerous, but it can make you feel uneasy.