What is the evidence that removing heavy metal helps to resolve symptoms of psychiatric and physical conditions?
There has been very little interest in financing and doing outcome studies on chronic heavy metal toxicity. I will review some that are primarily applicable to psychiatry, roughly divided into four categories: • Studies in which amalgam fillings were replaced and patients were evaluated before and after; • Studies where amalgam fillings were replaced and antioxidant therapy was provided; • Studies were amalgam fillings were replaced and chelation or homeopathic treatment was provided; • Studies of autistic children. R. Siblerud, Ph.D. conducted several small studies using psychological measurements evaluating patients with psychiatric conditions. In one study, before and after treatment scores on the Minnesota Multiphase Personality Inventory-II (MMPI- II) were compared. 20 people were recruited through newspaper advertisement. They were given a choice to replace their amalgam fillings, or put sealant to prevent mercury from escaping. 11 manic depressive subjects who had their amalgams