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The study by Saunders and colleagues 1 in JAMA Network Open is an important contribution to the field of what I'll call medically unexplained symptoms (MUSs). MUSs in their most severe form encompass what the authors call somatic symptom and related disorders, as well as numerous other similar terms, such as somatic symptom disorder from psychiatry and chronic pain, irritable bowel syndrome, chronic fatigue, and fibromyalgia from medicine.
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Robert C. Smith (2020) studied this question.
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