Eating disorders are still not caused by "chemical imbalances", folks. Is there a chemical basis for "mental disorders"? Nope.
Peter Breggin, M.D. (1997), was formerly a teaching fellow at Harvard Medical School and full-time consultant with the National Institute of Mental Health. As author of Brain Disabling Treatments In Psychiatry, he declares that "there are no known biochemical imbalances in the brain of typical psychiatric patients" (p. 5). Breggin was also on the National Institute of Mental Health.
Dr. William Wirshing (1999), a researcher and professor of psychiatry at UCLA, stated to a room full of psychiatrists that “we have been lying to everyone for years concerning the chemical imbalance model.” No one in the audience challenged him.
In an article approved for continuing education by the American Psychiatric Association, the author states, “We don’t know how psychotropic medications really work” (Khan, 1999).
Dr. Ty Colbert, President of the Center for Psychological Alternatives to Biopsychiatry states: “Believe it or not, it is freely admitted even within the ranks of psychiatry that no conclusive evidence exists to show that any form of mental illness is biologically caused…
In contrast, there is considerable scientific evidence to show that psychotherapy can be more effective than psychiatric medication for disorders such as depression, mania, ADHD, anxiety, and even schizophrenia.”