FEATURED VIDEO

Black Belt Brain

How do black belts karate-chop wooden blocks without a single flinch? OB/GYN Dr. Lisa Masterson's son, Daniel Masterson, who has a black belt in karate, demonstrates.

Please help keep the community civil. The Doctors moderates this forum and all comments must follow TheDoctorsTV.com Community Guidelines and New Terms of Use . The Doctors reserves the right to use the comments you submit in whole or in part, and to use the commenter’s name and location, in any medium. Note that DISQUS operates this forum and you must log-in or register with DISQUS to participate.