There are no objective tests in psychiatry-no X-ray, laboratory, or exam finding that says definitively that someone does or does not have a mental disorder.
Allen Frances
2.
Psychiatric diagnosis still relies exclusively on fallible subjective judgments rather than objective biological tests.
Allen Frances
3.
Mental disorders don't really live 'out there' waiting to be explained. They are constructs we have made up - and often not very compelling ones.