Tooth enamel, the outer layer of teeth, is the hardest substance in the human body, even tougher than bones, protecting teeth from damage and decay, according to a nutritionist.

Developed by Greg Berlanti and Sera Gamble, You, is a thriller series that is based on the books by Caroline Kepnes.

Reagan To is opening up about some things you may not have known about her! JJJ recently caught up with the young actress, content creator and award-winning dancer and got to 10 Fun Facts about her.