'One of the major criticisms is that the number of new psychiatric diagnoses added to it is rising exponentially. In 1952, the manual was 130 pages long. The fifth edition has 992 pages. And this latest edition has controversially added new diagnoses such as 'Disruptive Mood Dysregulation Disorder', which essentially makes children's temper tantrums a mental illness.
Critics believe the manuals are "disease mongering" - inventing labels for conditions that don't really exist, but are normal, albeit difficult, facets of human nature.'
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