Three Brains: Recommended Reads

Wellness Warrior’s Recommended Reads – Did you know you have three brains? Yes, you read that right! You have three brains – your HEAD brain, your HEART brain, and your GUT brain.

Three Brains: How the Heart, Brain, and Gut Influence Mental Health and Identity

Today, more than ever before, people, young and old, are being diagnosed with brain disorders, such as anxiety, depression, insomnia, learning disorders, and dementias. Learning about the causes and risk factors associated with these conditions will give you a greater understanding of what you can do to help prevent and treat these life-limiting conditions.The human brain has been studied for centuries and amazing discoveries have been made. Research suggests that you actually have three brains: the heart, the gut, and the head brain. There is an intricate relationship between these three brains that influences mental health and optimal brain function.



Dr. Karen Jensen graduated from the Canadian College of Naturopathic Medicine (CCNM) in Ontario in 1988. She is a well-known lecturer who has appeared regularly on television and radio stations. She has also written extensively for health magazines and is the author of 6 books including this one, her most recent, Three Brains: How the Heart, Brain and Gut Influence Mental Health and Identity. After 25 years in clinical practice Dr. Jensen retired but continues to write and lecture on the naturopathic approach to wellness. K_Jensen_Vertical.png




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“Nutrients from whole foods, exercise, and supplements are effective, non-invasive ways to support the ‘three brains’ interaction and optimize mental health and cognition.” Dr. Karen Jensen, ND

Introduction and Synopsis

The Role of the Three Brains

Although the head, heart, and gut brains work together, they have obvious different physical functions and they also perform different mental and emotional roles.The head brain analyzes information and applies logic.The heart brain senses the world through emotion and feelings.The gut brain is used for understanding our identity and who we are in the world. The gut brain also helps us learn self-preservation by teaching us to follow our instinct – the “gut feeling” we all experience at times.

Set up as follows:

  • Chapter 1 discusses the three brains.
  • Chapter 2 discusses stress and the three brains.
  • Chapters 3 and 4 discuss factors that disrupt three brain health.
  • Chapter 5 discusses using nutrition to achieve optimal brain health.
  • Chapter 6 discusses protecting and supporting brain development in children.
  • Chapter 7 discusses three brain, mood and mental disorders.
  • Chapter 8 discusses sleep disorders.
  • Chapter 9 discusses memory disorders.
  • Includes the Optimal Use Guide

Did You Know:

  • Variations in the composition of the gut microbiota have been shown to impact health on many levels, not just in the gut but in the brain as well.
  • Probiotics have been shown to support individuals with mental health issues, as well as problems with bowel function.
  • The heart is a much more complex organ, both of perception and cognition than was previously believed. Scientists have discovered that the heart produces oxytocin, which is beneficial for many mental health conditions, reducing stress-induced cortisol levels, and weight loss.
  • Oxytocin has also been found in the intestinal tract, where it improves gut motility and decreases intestinal inflammation. Dr. Jensen.


As a professional book reviewer for multiple authors and publishing companies, I highly recommend this book for more than just a one-time read. It is well set up, jam-packed with information and is so, very, easy to read. A definite wellness warrior recommended read!

If you found this review helpful and are looking at learning more about the 3 Brains product line, you may want to check out our current promotions. For further recommended reads, we have a great article featuring A Woman’s Guide to Vibrant Health


Product Picks


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3 Brains Daily Brain


3 Brains Gut-Brain Probiotic


60 vegetarian capsules.

Contains whole cell BB536 Bifidobacterium longum, one of the world’s most researched probiotics.

10 billion cfu per vegetarian capsule.

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Helps support gastrointestinal health.

Suitable for vegetarians and vegans.

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