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📖 Donguibogam > Neijing Pian: Chapter of the Inner Canon
The Reason Your Mouth Is Always Dry, No Matter How Much Water You Drink
Translation Disclaimer
This content is a carefully translated version of traditional Korean medical records (Donguibogam) and its modern interpretations. While prepared by specialized medical translators, it is provided for informational purposes only. Please consult a qualified healthcare professional before making any health decisions.
Modern Symptoms
Why are we experiencing this pain?
"Many of you have experienced thirst persisting despite drinking plenty of water, with your mouth constantly feeling parched. Even if you gulp down a refreshing drink, it's only for a moment, and soon your mouth feels like a desert again. Perhaps you are even holding a water bottle in your hand at this very moment. Did you know that this persistent thirst might not simply be due to a lack of water?"
Modern Medical Proof
Modern Science Reveals the Mechanism of Thirst and the Secret of Jinye
The concept of 'Jinye' mentioned in Donguibogam is closely connected to what modern medicine refers to as 'fluid metabolism.' It's a complex system that goes beyond simply drinking a glass of water, encompassing how our bodies absorb, transport, maintain, and excrete moisture. If thirst persists despite drinking plenty of water, it's highly likely there's an issue somewhere within our body's intricate fluid regulation system. The first thing that comes to mind is a problem with our body's 'osmoregulation.' If the salt concentration in the blood rises or blood volume decreases, the osmoreceptors in the hypothalamus detect this and make us feel thirsty. Simultaneously, antidiuretic hormone (ADH) is secreted from the posterior pituitary gland, instructing the kidneys to reduce the amount of water exiting through urine to conserve moisture. However, if there's an abnormality in this regulatory function, even with water intake, the body's osmotic pressure might not be properly regulated, or antidiuretic hormone may not function correctly, causing water to continuously exit the body, leading to persistent thirst. In particular, 'xerostomia' is one of the main causes of dry mouth. It refers to a state where salivary gland function is reduced, leading to a decrease in saliva secretion. Beyond mere discomfort, it can even induce dental caries, periodontal disease, and indigestion. Certain medications (such as antihistamines, antidepressants, diuretics), autoimmune diseases (such as Sjögren's Syndrome), diabetes mellitus, thyroid dysfunction, head or neck radiation therapy, and nerve damage in the neck area can be causes of xerostomia. In the case of diabetic patients, if blood glucose increases, the kidneys excessively excrete glucose through urine, drawing water along with it, leading to severe thirst. This is one of the 'three polys' (三多) symptoms: polyuria (frequent urination), polydipsia (severe thirst), and polyphagia (excessive appetite). Stress and the autonomic nervous system are also not unrelated. Chronic stress overactivates the sympathetic nervous system, and when the sympathetic nervous system is excited, it tends to inhibit saliva secretion. Many also experience a parched mouth when concerned or tense. While this is a temporary phenomenon, if it repeats chronically, it can become a cause of persistent dry mouth. Furthermore, irregular eating habits, excessive caffeine and alcohol intake, or night sweats can also disturb our body's water balance and electrolyte metabolism, leading to chronic thirst and a sensation of dryness. We can see that Donguibogam's expression, 'Jinye cannot reach,' is closely linked to the complex fluid metabolism, salivary gland dysfunction, and endocrine disruption of modern medicine. It is important not to dismiss your body's signals and to consult with an expert to determine if they might be a precursor to other disorders.
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Warm Habits to Keep Your Body's Jinye from Drying Out
2 steps you can take right now
1
💧 Let's start by changing 'how' we drink water. Rather than gulping it down quickly, it's important to sip slowly, savoring each mouthful. Instead of water that is too cold or too hot, frequently drink lukewarm water to reduce the burden on your body. Also, reduce water intake during meals, and drinking sufficiently before and after meals is a wise way to aid digestion and conserve Jinye.
2
👅 Little habits to awaken the treasure of your mouth and salivary glands. Saliva is one of the most important components of Jinye. Simply by moving your tongue to sweep your palate or roof of the mouth, or gently massaging around your temporomandibular joint (TMJ), you can promote saliva secretion. Additionally, chewing sugar-free gum or holding a piece of lemon in your mouth for a while are also good methods. The habit of chewing sufficiently and thoroughly greatly aids not only digestion but also salivary gland stimulation. Small efforts to maintain a moist mouth will be a great help in reducing persistent thirst.
Traditional Wisdom
The Oasis of Your Body: If Jinye Dries Up, You'll Feel Thirsty No Matter How Much You Drink
Our bodies are not composed solely of water. In Donguibogam, all the fluids in our body are collectively referred to as 'Jinye,' or body fluids. This Jinye is a very special and precious entity that goes beyond mere moisture. It moistens and lubricates our bodies, playing an oasis-like role by transporting nutrients necessary for life activities.
Imagine this: it is the power of Jinye that provides elasticity to the skin, keeps the eyes moist, helps the joints move smoothly, and even brings comfort to the mind. But what happens if Jinye is not properly generated, or if it cannot circulate smoothly within the body and becomes stagnant? Just like parched land, every corner of our bodies would start to dry out.
Donguibogam does not view thirst simply as a state of water deficiency. The original text of Donguibogam that we will examine today also states, 'thirst occurs when Qi is disordered and body fluids (Jinye) cannot reach their destination.' This refers to a state where the energy of our bodies, Qi flow, is disrupted, preventing Jinye from being properly delivered to where it is needed. No matter how good the water you drink, it's similar to a situation where it cannot be delivered to the necessary areas, like a water pipe that has an obstruction, or where the ground is too parched to absorb water.
In particular, the lungs, spleen, and kidneys play crucial roles in the generation and metabolism of Jinye. The lungs help spread our body's moisture from top to bottom. The spleen is the source that creates Jinye from the ingested food. And the kidneys are the vital organs that store and manage our body's Jinye. If the function of any one of these is weakened, the balance of Jinye is disrupted, which can ultimately lead to dry mouth and xerosis. Therefore, the concern 'Why am I thirsty even though I drink a lot of water?' might not just be a matter of water, but a signal from deep within our bodies regarding its Jinye.
Original Donguibogam Record
渴者，氣亂也。津液不至，故渴也。
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Author: AI Donguibogam Research Team
We analyze Heo Jun's 'Donguibogam', a UNESCO Memory of the World, using modern data science and AI. Our goal is to reinterpret the wisdom of traditional medicine hidden in ancient texts to suit the lifestyles of busy modern people and deliver it in an easy-to-understand way.
Caution (Disclaimer): This content is for providing health information based on historical literature and cannot replace medical diagnosis and treatment. If you have any health problems, please consult a specialist (doctor/oriental medical doctor).