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That Post-Massage Feeling Has a Name — and a Chemistry
Our clients often tell us that there is a particular feeling that comes after a deep Thai massage. Your limbs feel heavy and light at the same time. Edges are softer. Pain that had felt sharp an hour ago seems distant, almost theoretical. Most people describe it as bliss, although that word slightly undersells the chemistry behind it. What is actually happening involves one of the most fascinating systems in human biology, and one that science only began to map in the 1990s. It is called the endocannabinoid system, and Thai massage is unusually good at switching it on.
What Is the Endocannabinoid System?
The endocannabinoid system, often shortened to ECS, is a network of receptors and signalling molecules that exists throughout the brain, nervous system, immune system and connective tissue. The two best studied molecules in the system are anandamide and 2 arachidonoylglycerol. Anandamide takes its name from the Sanskrit word ananda, meaning bliss, which gives some sense of what it does. These molecules bind to CB1 and CB2 receptors and modulate everything from pain perception and inflammation to mood, appetite, sleep and memory.
The discovery of the ECS is usually traced to a laboratory in Israel in the 1990s, although elements were being uncovered earlier. The system is now understood to be one of the body’s master regulators of homeostasis, which is the maintenance of internal balance. When something tips the body out of balance, the ECS often steps in to nudge it back.
How Massage Activates the Endocannabinoid System
What does this have to do with massage? Quite a lot, as it turns out. A landmark study reported that anandamide levels increased by around one hundred and sixty eight percent after a single session of osteopathic manipulation. While Thai massage is not identical to osteopathy, the underlying mechanical and neurological input is similar, and broadly comparable effects on the ECS are likely. Sustained pressure, slow tissue mobilisation, joint articulation and assisted stretching all generate the kind of mechanical and neural signalling that has been linked to endocannabinoid release.
The ECS is densely concentrated in tissues that Thai massage directly engages, particularly fascia, muscle, skin and the periaqueductal grey area in the brainstem, which is involved in pain modulation. Stimulation of these tissues through specific kinds of touch appears to activate the system in measurable ways. Exercise produces a similar effect, sometimes referred to as runner’s high, which is now understood to involve endocannabinoids rather than endorphins alone.
What This Means for Chronic Pain
For chronic pain sufferers, this is not new information. Many forms of long standing pain, including fibromyalgia, migraine, irritable bowel syndrome and certain forms of inflammatory joint pain, are now hypothesised to involve clinical endocannabinoid deficiency. The phrase was coined by Dr Ethan Russo, who proposed that some people, for genetic or acquired reasons, simply produce too little anandamide and respond poorly to the usual painkillers. Approaches that naturally boost endocannabinoid tone offer one promising route to relief, particularly when conventional medications have not worked.
Why Thai Massage Is Particularly Effective
Thai massage fits into this picture beautifully. Its long sustained holds activate mechanoreceptors that signal through pathways linked to ECS function. Its assisted stretching reaches the fascial tissue where many endocannabinoid related processes occur. Its rhythmic pressure stimulates the brainstem regions involved in pain gating. And the deep psychological relaxation it produces appears to amplify ECS responses, because the system functions best when the body is not in fight or flight mode.
The Real-World Effects You Actually Notice
The downstream effects show up in real life. People often notice that pain is more tolerable in the day or two after a session. Sleep improves, in part because the ECS is heavily involved in sleep regulation. Mood lifts, because anandamide acts on receptors involved in emotional processing. Appetite normalises. Even cognitive flexibility, the capacity to switch tasks and think creatively, may improve, because the ECS modulates the prefrontal cortex.
This explains a great deal of what regular massage clients tell our staff but struggle to articulate. They feel better, but not in a single specific way. The pain is less, but the change is also bigger than the pain. The body feels smoother and more cooperative. The mind feels more flexible. Conversations with difficult colleagues feel less personally threatening. These are not random improvements. They are the signature of a great endocannabinoid system being given the support it needs to do its job.
What Thai Massage Is Not
But let’s stop here- it is also worth saying what Thai massage is not. It is not a substitute for medical treatment of serious pain conditions. It does not replace pharmacology where pharmacology is needed. What it offers is a complementary, drug free, low risk intervention that supports the body’s own pain modulating chemistry. For someone managing chronic low grade discomfort, or recovering from an injury, or simply wanting to age well in a body that has been working too hard for too long, this is no small thing.
Ancient Practice, Modern Science
There is an elegance to the fact that an ancient practice rooted in Buddhist tradition has turned out to be a quiet ally of one of the most modern fields in neuroscience. The therapists who developed Thai massage in temple courtyards centuries ago could not have described the endocannabinoid system. They simply observed that the work made people feel better in ways that went beyond muscle and joint. Modern research is now catching up to what they understood through experience.
At Me-Thais, this is part of why regular clients keep returning. When they receive a session of careful massage, length and rhythm, it coaxes a system back into balance. The endocannabinoid response is not visible from the outside. But massage definitely has big impacts on how it functions.
