Jeffrey Kluger

Scarily, football helmets, which do a fine job of protecting against scalp laceration and skull fracture, do little to prevent concussions and may even exacerbate them, since even as the brain is rattling around inside the skull, the head is rattling around inside the helmet.

It was truly a lesson in don't take something at face value. You know, so many of us do in life. Whether it's because of how somebody looks or because of what they're wearing or what have you, you kind of assess a person in the first five minutes before they even speak.