[Dr. Michael] Collins [Crosby's doctor] couldn’t discuss [his] initial injury or his current progress, but our discussion on the real nature of concussions—both how they occur and how athletes recover from them—can help to debunk the maelstrom of rumors, misunderstandings and inconsistencies surrounding Crosby’s eight months of post-concussion limbo.
1. A concussion is not a headache, and overcoming it has nothing to do with toughness
2. The worst thing you can do when suffering from a concussion is return too soon
3. The alarmists need to calm down. This is not career ending.