Final answer:Diagnostic services are necessary in identifying diseases, but they face complexities as similar signs and symptoms can be produced by various diseases. There has been controversy around over-pathologization, as seen with the DSM-5's loosening of diagnostic criteria and inclusion of normal grief as a symptom of major depressive disorder.Explanation:Diagnostic services play a critical role in healthcare as they help in the identification of diseases based on signs and symptoms. They can include a wide range of medical investigations, from simple laboratory tests to complex imaging studies like MRI's and PET scans. One of the key facts about diagnostic services is that, while they rely heavily on signs and symptoms for disease diagnosis, several diseases can produce similar signs and symptoms, adding layers of complexity to proper diagnosis.Furthermore, there has been an ongoing debate on the over-pathologizationof human conditions, with newer diagnoses potentially transforming normal human distress into mental disorders. The DSM-5 categorization represents one such example. TheDSM-5faced criticism for its perceived loosening of diagnostic criteria, with some arguing that it initiates 'diagnostic hyperinflation'. For instance, it has removed bereavement exclusion, suggesting that symptoms of major depressive disorder can be attributed to normal grief and sadness following the death of a loved one.Learn more about Diagnostic Services here:brainly.com/question/34694615#SPJ11...

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