Hormones Matter

Where health, hormones, and a whole bunch of other stuff, make sense.

  • Research + Commentary
  • Women’s Health
  • Pregnancy + Postpartum
  • Family Health
  • Men’s Health
  • Environment
  • Case Stories
  • Write for Us

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.

attack and defend

Coordinating the Body’s Defense

by Derrick Lonsdale MD, FACN, CNS
September 4, 2025
11.4K views

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

More
depression, anxiety, hypoxic brain

Depression, Anxiety, and the Chronically Hypoxic Brain

by Derrick Lonsdale MD, FACN, CNS
August 20, 2025
30.9K views

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

More
Energy medicine

Energy Medicine

by Derrick Lonsdale MD, FACN, CNS
July 30, 2025
16K views

I have written many posts on Hormones Matter and have tried to answer the questions arising from each post. These questions and

More
maple syrup urine disease

Maple Syrup Urine Disease at 52 Years of Age

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

There are some rare diseases that appear at birth known as inborn errors of metabolism. Their symptoms are nonspecific in most cases

More
Gastrointestinal tract and thiamine

Gastrointestinal Disease and Thiamine

by Derrick Lonsdale MD, FACN, CNS
June 9, 2025
19.4K views

The gastrointestinal (GI) tract, long thought to be specific only to the process of digestion, starts at the mouth and ends at

More
serotonin syndrome thiamine

Serotonin Syndrome and Thiamine: Is There a Connection?

by Derrick Lonsdale MD, FACN, CNS
May 7, 2025
36K views

Serotonin syndrome is described as a drug-related condition and is commonly believed to be rare. Serotonin is a neurotransmitter, but its actions

More
thiamine limbic system

How Can Something As Simple as Thiamine Cause So Many Problems?

by Derrick Lonsdale MD, FACN, CNS
April 29, 2025
172.1K views

I have read a criticism that thiamine deficiency is “too simple” to explain the devastating nature of the post Gardasil illnesses or

More
mystery illness

Mystery Illness: You Are Not Alone

by Derrick Lonsdale MD, FACN, CNS
April 21, 2025
14.4K views

Hormones Matter is a health oriented website edited by Chandler Marrs, PhD. She has long recognized the need for people to report

More
Previous 1 2 3 4 … 17 Next

The Ultimate Guide to Health

Support Hormones Matter

Hormones Matter is run by CRM Health & Fitness, LLC. Contributions support operations but are not tax deductible.

  • Birth Control + Blood Clots
  • Diet + Exercise
  • Endocrine Disruptors
  • Endometriosis, PCOS, Fibroids
  • Hysterectomy
  • Immunity + Autoimmunity
  • Medications + Vaccines
  • Migraine
  • Mitochondria
  • Mood + Mental Health
  • Policy + Politics
  • Sex + Libido
  • Thyroid Disorders
  • Understanding Nutrients

Archives

©2011-2025 CRM Health & Fitness, LLC. All rights reserved

  • Advertising Policy
  • Anti-Spam Policy
  • Privacy Policy
  • Health Information Disclaimer
  • Terms of Use
  • About
  • Contact
  • Write for Us
  • Research + Commentary
  • Women’s Health
  • Pregnancy + Postpartum
  • Family Health
  • Men’s Health
  • Environment
  • Case Stories
  • Write for Us
Go toTop