Tag: Quackwatch

ZYTO: An Electrodermal Diagnostic Device Is Tested and Fails Miserably

ZYTO is a bogus, illegal electrodermal diagnostic device that claims to evaluate organ function and make dietary recommendations. Repeat testing produced results that were wildly inconsistent. The device produces noise, not meaningful information.

/ August 29, 2017

Doctor’s Data Sues Quackwatch

A few weeks ago I posted an article about bogus diagnostic tests. I cited Doctor’s Data, Inc. (DDI), as “a company with a long history of dubious offerings.” I also wrote: You can’t help but have noticed that many of the links in this post are to articles on Quackwatch. That’s because the site is chock full of useful information about bogus tests,...

/ July 5, 2010

Bogus Diagnostic Tests

A few years ago a friend asked me to comment on advice given to her adult daughter by a psychiatrist whom she’d consulted for depression. The psychiatrist had recommended testing samples of saliva and urine for hormone and neurotransmitter levels, the results of which would likely indicate a need for supplements to correct deficiencies or imbalances. According to the psychiatrist, who had...

/ April 29, 2010