Second Impact Syndrome occurs when an individual suffers a second concussion before fully recovering from a previous one. This condition is particularly dangerous for young athletes, as their brains are still developing. The second impact can lead to rapid and severe brain swelling, which may result in serious complications or even death. Symptoms of Second Impact Syndrome can include loss of consciousness, confusion, and respiratory failure. Immediate medical attention is crucial, as timely intervention can significantly improve outcomes. Preventing this syndrome involves proper management of concussions and ensuring athletes do not return to play until fully cleared by a medical professional.