Have you ever wondered why so many people need braces, and if they are preventable? As you may know, my wife, Dr Marilyn Hatz DDS, is also my associate at our center, specializing in TMJ disorders. The link below deals with a related problem – why so many humans have crooked teeth where other primates don’t. This truly brilliant and fascinating article linked below gives the apparent reason, what can be done about it, and deals with diet – as do so many of our modern day health problems.