By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 8 min read Watch the Full Video Concussions are one of the most common injuries in sports, yet they remain surrounded by myths and misconceptions. Should you rest in a dark room for a week? When is it safe to look at your phone? Can you exercise, or will that make things worse? The answers to these questions have shifted dramatically based on recent research, and understanding the latest evidence can make a meaningful diffe