Is it possible to have a cannabinoid deficiency?

Written by Euan Keenan

Could a lack of cannabinoids be the real cause of chronic illnesses?

In 2001, Dr. Ethan Russo proposed a groundbreaking theory: clinical endocannabinoid deficiency ( CED).

This theory suggests that, much like an iron or vitamin D deficiency, it is also possible to suffer from a deficiency in endocannabinoids. When the so-called “endocannabinoid tone” is chronically low, the body loses its ability to effectively regulate pain and mood.

Research findings suggest that this deficiency may be the common link between various treatment-resistant conditions, such as:

  • Migraine

  • Fibromyalgia

  • Irritable Bowel Syndrome (IBS)

Conclusion: Understanding the ECS shifts the discussion about cannabis from a purely recreational drug to a genuine health perspective. Whether through phytocannabinoids (CBD/THC), diet, or exercise—supporting this system is essential for maintaining physiological balance: homeostasis.

This concludes our four-part series on the ECS. Do you have any questions? Feel free to leave them below.

Source / Further reading:

Euan Keenan
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