Hormones Matter

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Hormones Matter

Derrick Lonsdale MD, FACN, CNS

Derrick Lonsdale M.D., is a Fellow of the American College of Nutrition (FACN), Fellow of the American College for Advancement in Medicine (FACAM). Though now retired, Dr. Lonsdale was a practitioner in pediatrics at the Cleveland Clinic for 20 years and was Head of the Section of Biochemical Genetics at the Clinic. In 1982, Lonsdale joined the Preventive Medicine Group to specialize in nutrient-based therapy. Dr. Lonsdale has written over 100 published papers and the conclusions support the idea that healing comes from the body itself rather than from external medical interventions.

refeeding syndrome

Refeeding Syndrome

by Derrick Lonsdale MD, FACN, CNS
January 27, 2026
51.4K views

When people have had a prolonged deficiency in energy metabolism, sometimes for years, their symptoms are frequently not recognized for what they

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proteins, protein folding and enzymes

Protein, Protein Folding, and Enzyme Activity

by Derrick Lonsdale MD, FACN, CNS
December 23, 2025
12.2K views

As everybody knows, organic food consists of proteins, fats and carbohydrates. In this post I am going to indicate how protein is

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Western medicine - house built on sand

Western Medicine: A House Built on Sand

by Derrick Lonsdale MD, FACN, CNS
December 1, 2025
14.1K views

Let Food Be MedicineAt the risk of repeating myself too much as in former pages of this website, I want to return

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diet brain disease

Childhood Trauma, Diet, and Behavior

by Derrick Lonsdale MD, FACN, CNS
November 6, 2025
11.8K views

Adverse Childhood Experiences and the Diet VariableNearly one in eight children (12%) are reported to have had three or more negative life

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ondine's curse

Ondine’s Curse: When Breathing Is No Longer Automatic

by Derrick Lonsdale MD, FACN, CNS
October 20, 2025
45.2K views

Ondine is a mythological figure whose tale goes back to the ancient Greeks. She is described as a water nymph who fell

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fever swollen glands - Febrile Lymphadenopathy.

Recurrent Fever With Swollen Glands: Febrile Lymphadenopathy and Thiamine

by Derrick Lonsdale MD, FACN, CNS
September 22, 2025
17.8K views

Every profession has its jargon and the medical profession is no exception. Perhaps it is even more addicted to jargon than other

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attack and defend

Coordinating the Body’s Defense

by Derrick Lonsdale MD, FACN, CNS
September 4, 2025
11.9K views

Human beings live in a world where they are under continuous attack. In this post, I will outline the nature of the

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depression, anxiety, hypoxic brain

Depression, Anxiety, and the Chronically Hypoxic Brain

by Derrick Lonsdale MD, FACN, CNS
August 20, 2025
32.1K views

I couldn’t help noticing the Wall Street Journal of Thursday, June 7, in which a column reported a completely unexpected suicide. The

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