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.

Working on 'Austin and Ally' has been an absolute dream! We literally have fun every single day! Whether it's scaring each other or singing together or just hanging out in each other's dressing rooms, the cast and I are super close! I feel really lucky to be with everyone on our set!