In Gut and Psychology Syndrome, Dr. Natasha Campbell-McBride points to an older psychiatric record in which physical illness and poor nutrition were documented alongside schizophrenia. She cites Henderson and Gillespie’s 1937 Textbook of Psychiatry and then connects that observation with later reports of vitamin and mineral deficiencies.[1]
The Physical Problems Described
Campbell-McBride names digestive and cardiovascular problems, diabetes, lung and urogenital infections, autoimmunity and other signs of immune dysfunction among the physical problems recorded in psychiatric patients.[1]
The 1937 Physical-Examination Instruction
Campbell-McBride cites Henderson and Gillespie’s 1937 psychiatry textbook as calling for a thorough physical examination in every case and describing people with schizophrenia as commonly poorly nourished. This is a paraphrase of the passage reproduced in the expanded GAPS text, not a new quotation checked against the original 1937 volume.[1]
The Later Nutrient Reports Cited In GAPS
Campbell-McBride says later research continued to record deficiencies in niacin (vitamin B3), vitamins B6, B12, B1, folic acid and vitamin C, along with magnesium, zinc and manganese, in people diagnosed with schizophrenia.[1]
How GAPS Interprets The Nutrient Pattern
Campbell-McBride connects these deficiencies with a digestive system that is not breaking down and absorbing food adequately. She then introduces Hoffer, Pfeiffer and Dohan to develop the nutritional and digestive parts of her argument. The 1937 observation, the later nutrient reports and her explanation are separate steps in that account.[1]
For a family trying to understand the chapter, the useful point is that physical health has a place in the conversation. A history of bowel symptoms, appetite changes and the person’s actual food intake can sit beside the psychiatric history. It does not need to disappear simply because a mental-health diagnosis has been made.
Frequently Asked Questions
Did Older Psychiatrists Know What Caused The Malnutrition They Observed In Schizophrenia Patients?
The excerpt reproduced in GAPS records the observation without explaining its cause. The digestive and gut-flora explanation for why these deficiencies occur is developed later in the GAPS chapter.[1]
What Later Nutrient Reports Does the GAPS Chapter Describe?
Campbell-McBride states that more recent research confirms the same pattern, specifically deficiencies in niacin, B6, B12, B1, folic acid, vitamin C, magnesium, zinc, and manganese.[1]
What Did The 1937 Textbook Say About Physical Examination?
It stated that a thorough physical examination was essential in every case and that people with schizophrenia were commonly poorly nourished. Campbell-McBride follows that quotation with later reports of specific vitamin and mineral deficiencies.[1]
Your Next Step
Use the GAPS schizophrenia overview to find the wider discussion. You can also read Hoffer, Pfeiffer and Nutrition: The GAPS Book’s Account, or Pellagra and Schizophrenia: Why GAPS Discusses B3.
My Care Team Log is listed in the WFLI Shop. A notebook can keep observations, dates and questions together.
References
- Campbell-McBride N. Gut and Psychology Syndrome, expanded text represented by the second German edition (2015), “Schizophrenie” (“Schizophrenia”). English paraphrases checked against that text; no English-edition page numbers are implied.


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