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You are here: Home / Lymphatic Health / Lymphatic System Linked to Seventh Sense! Modern Science Proves Ancient Wisdom

Lymphatic System Linked to Seventh Sense! Modern Science Proves Ancient Wisdom

by John Douillard on September 15, 2018 | 9 Comments

The seventh sense, as proposed by Jonathan Kipnis, a professor of neuroscience at the University of Virginia, may be our most important sense—as it may be the one keeping us alive! (1)

We all know about the five senses, taste, touch, smell, hearing, and sight. The sixth sense is said to govern movement, position in space and proprioception, but what is the seventh sense?

To answer this question, we need to review some of the recent discoveries of the lymphatic system in the brain.

>>> Dive deep into the brain lymph and Ayurveda connection here

Cerebral spinal fluid (CSF), as its name suggests, circulates up and down the spine and into the brain itself, acting as a buoy and cleaning system for the brain and central nervous system. (2) The brain’s waste products are picked up by the newly discovered glymphatic system found in the sagittal and transverse sinuses of the brain. Ayurveda described this area as tarpaka kapha, and where congested brain lymph could cause cognitive and mood imbalances. From here, the waste is taken back into the body’s lymphatic circulation for processing.

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This incredibly efficient system dumps around 3 pounds of waste and plaque from the brain via the glymphatic system each year while we sleep. So if you get poor sleep, you likely have poor brain waste removal. (3)

Interestingly, some 15-30 percent of the brain’s CSF waste is processed through a concentration of lymph in the nasal mucous membranes which is then transported to the cervical lymph in the neck. This helps explain one of Ayurveda’s premier cleansing techniques known as nasya therapy, where herbalized oils are sniffed into the sinuses through the nose.

>>> Learn how to do this technique at home

Further brain research found an extensive amount of lymph in the meninges (protective sleeves) of the brain and spinal cord that communicate directly with the brain itself. (1)

The meningeal lymphatics and brain glymphatics seem to work intimately together to create our seventh sense.

Dr. Kipnis, whose research teams discovered the glymphatic system, developed the seventh sense theory. All the senses directly report to the brain, providing intelligence about the workings of the internal and external environments. All of the senses are areas with high concentrations of microbes, which via the lymph-carrying immune system, communicate critical self-preservation information to the brain.

The immune system’s major role is to detect populations of microbes that may cause harm. As the “seventh sense,” the brain’s lymphatics are sensing survival threats in the central nervous system. Much like the senses of sight and sound trigger jumping out of the way of a car in the name of self-preservation.

The lymph in the central nervous system (CNS) and the brain plays a critical role in keeping the body’s master computer online and keeping us alive—but it also plays a huge role in our emotions and behavior. (1) This emerging research is backed by thousands of years of time-tested wisdom in Ayurveda.

Ayurveda suggested and developed nasya therapy techniques to address the link between congested brain lymphatics and mood-, immune-, and cognitive-related concerns. Nasya therapy is one of Ayurveda’s five top detox therapies included in Panchakarma (panch=five).

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I administered this therapy for 26 years in my Ayurvedic practice and used it exclusively to support healthy brain lymph function, immunity, enhance self-awareness, and encourage emotional transformation.

The original research on the link between brain lymphatics and emotions was based on something called sickness behavior. This is when folks feel tired, worn out, sad, and melancholy when the body’s immune system is fighting off an invader. The immune system senses (seventh sense) a threat and then forces the body to rest while the threat is being dealt with.

This seems to be the body’s way of making sure we rest while the immune system restores adequate brain and central nervous system lymphatic communication. (1,4)

An immune response within the lymphatic system produces cytokines that have been linked to dramatic shifts in emotion and mood. (4)

In Ayurveda, the study of lymph (rasa) is the study of longevity, called rasayana. Rasayana is a complete branch of Ayurveda and much can be learned here by connecting time-tested wisdom with emerging modern science.

Much more to come on this topic! Read more about the brain-lymph-mood connection here.

References

  1. The Seventh Sense: Jonathan Kipnis. Scientific American (Neuroscience), August 2018. 28-35
  2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5803388/
  3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5347443/
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2909644/

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Categories: Lymphatic Health Tagged: immune health, lymph health, nasya

Comments

  1. Karen says

    September 23, 2018 at 1:04 am

    What an amazing article. I must buy that oil too.

    Reply
  2. KS says

    September 18, 2018 at 9:13 am

    I bought a bottle of Nasya Oil from LifeSpa, but it burns my sinuses and causes so much discomfort I have given up on it. This cannot be normal–?

    Reply
    • Lyn Banas says

      October 6, 2018 at 11:21 am

      ℒ~ I’m not familiar with the brand though I know that it shouldn’t burn. I’ve been using nasya oil for over 10 years now. Try Dr. Lads nasya oil from the Ayurvedic Institute, they sell it online. ~lyn

      Reply
    • Vadiya Meenakshi Gupta says

      October 25, 2018 at 10:24 pm

      The Nasaya oil can cause a little discomfort in the form of burning sensation and mild itching in the throat. That is the sign of good Nasaya oil . Try taking a steam with little Rock salt after doing the Nasaya , that might be helpful.

      Reply
  3. Vacheslav says

    September 17, 2018 at 9:22 pm

    Anyone starts with a belief and then the facts support it. If you start with a disbelief then you will stay in that position and it matters not what facts refute you!
    Those who do not believe anything, live in constant doubt!
    However, disbelief is just a result of the mother passion, which is the root of all evil.
    You can not worship two Gods, for you will love one and despise the other!
    So choose; the creator or mammon!

    Reply
  4. The Turmeric Kid says

    September 15, 2018 at 10:04 pm

    This is fantastic to see – I’ve read about the connections between the spiritual and emotional bodies and how they connect into the body, and the endocrine system and lymphatic systems were the 2 major systems covered in this work – so very interesting indeed. I’ve also read that these systems work more efficiently if we sleep on our side. If we think about it, these are also 2 of the systems that seem to be most under attack in our modern world from all the chemical pollutants. Coincidence? Anyway, I will be looking forward to hearing more about this topic. I have a neti pot, but I like the sound of nasya therapy. Fortunately, I generally sleep so beautifully (for which I am very grateful), but this may be of some relevance for my mother. Thank you John.

    Reply
  5. Wyandotte says

    September 15, 2018 at 10:11 am

    Is this by any chance the same condition that Trad. Chinese Medicine refers to as “Turbid Mucus Disturbing the Head”?

    Reply
    • C says

      September 16, 2018 at 9:06 am

      Don’t quote me, but I believe “Turbid mucus” involving the head would refer to phlegmatic disorders of the sinuses and ears, also involving ear wax, and where those substances go elsewise. I think it’s a disorder born of congestion that has over-accumulated and then dried, leading to disturbances in the sensory organs and other tissues of the head. What JD refers to may find its TCM equivalent in “dampness in the head,” which seems a bit more general and shares characteristics with other types of dampness – akin to lymphatic congestion, sometimes with infection and/or inflammation – except it’s located in the head. From a TCM standpoint, for dampness, it typically begins to gather up from the lower limbs and fill the rest of the body, transported occasionally by “wind” or improper application of “mobilizing” or “invigorating” medicaments and other factors, which can reach the head and cause disturbance there as well as turbidity. In other words, from a TCM standpoint, while “Turbid mucus disturbing the head” may have its origin in some combination of dampness, dryness, heat, and wind, the most precise diagnosis to my knowledge would be “dampness in the/affecting the head,” which in total shares more characteristics with what JD has described.

      I’m a bit of an amateur TCM student, so take precautions in applying the above. 🙂 Hope it helps though!

      Reply
      • C says

        September 16, 2018 at 9:10 am

        Oh, forgot to mention: pretty sure dampness can also directly affect the head through “external wind-damp,” which I believe is more of a concern during wetter, cooler parts of the year like late autumn and early winter, but can of course continue to linger, or go into a “dormant” stage.

        Reply

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