TCM Strategies to Strengthen Immunity as Seasons Shift

Listen early, act early, and respect the body's signals
Kringoudis on why catching illness at its earliest stage, before symptoms fully develop, is the most effective intervention.

For thousands of years, Traditional Chinese Medicine has understood the body not as a collection of parts to be fixed, but as a living system that must move in harmony with the seasons. As autumn arrives, TCM practitioner Nat Kringoudis reminds us that immunity — known in this tradition as Wei Qi, or defensive energy — is not summoned by a supplement but cultivated through daily choices around food, sleep, movement, and the quieting of the nervous system. The season itself is a teacher, calling us inward, toward warmth, rest, and the kind of nourishment that builds resilience before winter demands it.

  • Most people treat autumn illness reactively — reaching for supplements after symptoms arrive — while TCM argues the real work happens long before the first sniffle.
  • Weak digestion is often the hidden root of frequent illness, which is why gut health and hormone balance are the first things Kringoudis examines in patients who get sick often.
  • The shift from summer to autumn is not just meteorological but biological — the body begins conserving energy, circulation changes, and raw or cold foods actively work against immune function during this transition.
  • A 'wind invasion' — that early scratchy-throat, stiff-neck moment — is the critical window where rest, warmth, ginger tea, and broth can stop illness from taking hold entirely.
  • Kringoudis's own seasonal rhythm — protein-rich mornings, warming meals, reduced training intensity, quieter evenings, and magnesium support — models what it looks like to live in alignment rather than in resistance to the season.

The foundational belief of Traditional Chinese Medicine is that the body is an interconnected whole, not a machine with interchangeable parts. Nat Kringoudis — practitioner, co-founder of M BODY Minerals, and founder of women's health clinic The Pagoda Tree — has built her career on one of TCM's most important distinctions: immunity is not something you acquire overnight. It is something you build, day by day, through food, movement, sleep, and how you manage your nervous system.

In TCM, immunity is called Wei Qi — defensive energy governed by the Lungs and supported by the Spleen, which in this tradition oversees digestion and the transformation of food into usable energy. When digestion is weak, energy production falters and immune function drops. This is why Kringoudis often begins with gut health and hormone balance when patients arrive with frequent illness. The symptom is the branch. The root lies deeper.

Autumn presents a particular challenge. As temperatures fall and wind patterns shift, the body naturally begins to contract and conserve. The Lungs and Large Intestine — both connected to immunity and elimination — become the season's dominant organ systems. This is not the time for raw smoothies or iced drinks. Slow-cooked meals, root vegetables, warming broths with ginger and cinnamon, and adequate protein become essential. Fiber supports elimination and helps clear estrogen, reducing inflammatory load. Earlier nights, gentle movement, and deliberate nervous system care allow both immunity and hormones to stabilize.

When the first signs of illness appear — a scratchy throat, neck stiffness, a vague sense that something is brewing — TCM calls this a wind invasion, and it is the critical window for intervention. Rest becomes non-negotiable. Warmth is essential. Fresh ginger tea with lemon and honey, warming soups, and broths give the immune system what it needs to respond before illness deepens. In Chinese medicine, stagnation is the enemy; movement — of fluids, of energy, of circulation — is what matters.

Kringoudis lives these principles herself: waking with natural light, hydrating with room-temperature water, eating protein-rich meals, and shifting her training toward strength work balanced with walking and lymphatic movement. Evenings grow quieter — warmer showers, magnesium, a genuine wind-down. Autumn, in this tradition, is a season of refinement and release — a time to rebuild resilience before winter arrives, through consistency, care, and the willingness to move with the season rather than against it.

The body is not a machine with interchangeable parts. This is the foundational belief of Traditional Chinese Medicine, a medical system thousands of years old that sees the human form as an interconnected whole, where energy flows through organ systems in ways that Western medicine has only begun to understand. When autumn arrives and the sniffles begin their seasonal march, most people reach for a supplement or wait for symptoms to worsen. But TCM practitioners approach the problem differently. They ask not what to treat, but why the body is expressing illness in the first place.

Nat Kringoudis, who holds degrees in Applied Health Sciences, Chinese Herbal Medicine, and Acupuncture, has built her career on this distinction. As co-founder of M BODY Minerals and founder of The Pagoda Tree, a women's natural health and fertility clinic, she has spent years helping patients understand that immunity is not something you acquire overnight. It is something you build, day by day, through the choices you make about food, movement, sleep, and how you relate to your own nervous system.

In TCM, immunity is called Wei Qi—a term often translated as defensive or protective energy. It is governed primarily by the Lungs and supported by the Spleen, which in Chinese medicine carries a meaning broader than its Western anatomical definition. The Spleen, in this framework, is responsible for digestion and the transformation of food into usable energy. If digestion is weak, the entire system suffers. Energy production falters. Immune function drops. This is why Kringoudis, when a patient arrives complaining of frequent illness, often begins by examining gut health and hormone balance. The symptom is merely the branch. The root lies deeper.

Autumn presents a particular challenge. As temperatures drop, the air grows drier and wind patterns shift. Cold air irritates the nasal passages, triggering excess mucus production. People retreat indoors, where viruses spread more easily. Sunlight diminishes, and with it, vitamin D levels decline. But there is something else happening too—a seasonal transition that TCM recognizes as fundamentally important. Summer's expansive, outward energy gives way to autumn's inward, contracting rhythm. The organs most active during this season are the Lungs and Large Intestine, both intimately connected to immunity and elimination. The body naturally begins to conserve energy. Blood vessels constrict. Circulation changes. The cravings shift toward warming, grounding foods.

This is not the time for raw smoothies or iced drinks. Kringoudis is clear on this point. Autumn calls for slow-cooked meals, root vegetables, broths infused with warming spices like ginger and cinnamon, and adequate protein to stabilize blood sugar—which matters not just for energy but for hormone regulation. Fiber becomes especially important, supporting efficient elimination and the clearance of estrogen, which reduces inflammatory load throughout the body. Beyond the plate, the season demands earlier nights, gentle movement over exhausting training, and deliberate protection of the nervous system. When people honor seasonal shifts instead of pushing through them, both immunity and hormones stabilize.

But what happens when the first signs of illness appear? TCM recognizes an early stage of a cold called a wind invasion—a scratchy throat, stiffness in the neck, mild chills, or simply a sense that something is beginning to brew. This is the critical window. Intervention at this moment is far more effective than waiting for full illness to take hold. Rest becomes non-negotiable. Warmth is essential: keep the neck covered, switch to warm fluids, avoid cold or raw foods. A simple cup of fresh ginger tea with lemon and honey can gently release the exterior and support circulation. Soups and broths provide the energy the immune system needs to respond effectively. MSM, a compound that thins and mobilizes congestion, prevents stagnation from deepening into something more serious. In Chinese medicine, thick mucus signals that fluids are not transforming properly. Movement is what matters, not stagnation.

Kringoudis's own autumn rhythm illustrates these principles in practice. She wakes with natural light, hydrates with room temperature water, and prioritizes a protein-rich breakfast to stabilize blood sugar and cortisol. Lunch and dinner remain warming—soups, stews, broths, roasted vegetables, quality protein, and fiber to support elimination and estrogen metabolism. She reduces iced drinks and increases nutrient-rich broths and herbal teas. Movement shifts too. She still trains, but intensity for its own sake no longer drives her choices. Strength work remains important, particularly for women navigating perimenopause, but she balances it with outdoor walking and lymphatic work to support circulation and nervous system regulation. Evenings become quieter: warmer showers, magnesium support, a wind-down routine. In TCM, autumn teaches refinement, release, and the protection of energy. It is a season to rebuild immune resilience before winter arrives, while supporting hormones through consistency and care.

Instead of asking 'What symptom are we treating?', I ask 'Why is the body expressing this?' to treat the root of the problem.
— Nat Kringoudis, TCM practitioner and founder of The Pagoda Tree
Immunity isn't something you boost overnight; it's something you build daily through nourishment, rhythm, stress management and supporting the body's foundational systems.
— Nat Kringoudis
A Conversa do Hearth Outra perspectiva sobre a história
Inventor

Why does TCM treat a cold so differently from the way most people do? Why is rest the answer instead of, say, pushing through it?

Model

Because in TCM, we understand that your immune system needs energy to fight. When you push through early signs of illness, you're actually depleting the very resources your body needs to respond. Rest isn't passive—it's active healing.

Inventor

You mention Wei Qi several times. Can you explain what that actually is in a way that makes sense to someone who's never heard the term?

Model

Wei Qi is your defensive energy. Think of it as the boundary between you and the environment—viruses, bacteria, cold air. It's governed by your Lungs and supported by your digestion. If your digestion is weak, your Wei Qi is weak. That's why gut health matters so much for immunity.

Inventor

So when autumn arrives and people start getting sick, is that inevitable, or is it something you can prevent?

Model

It's not inevitable at all. But it requires you to shift with the season, not against it. Autumn asks you to slow down, eat warming foods, protect your neck from wind, get to bed earlier. Most people do the opposite—they keep summer's pace and wonder why they get sick.

Inventor

What's the difference between treating a symptom and treating the root?

Model

A symptom is the branch. You see a cough and you suppress it. But the root might be weak digestion, poor sleep, or stress. If you only treat the cough, it comes back. If you address why your body is coughing, it resolves.

Inventor

You talk about MSM and ginger tea for early colds. Are those supplements, or are they food?

Model

They're both, really. Ginger is a warming spice that supports circulation. MSM is a compound that helps clear congestion before it becomes stagnant. But the real medicine is the rest, the warmth, the broth. The herbs support what your body is already trying to do.

Inventor

What happens if someone ignores the early signs and doesn't rest?

Model

The wind invasion deepens. What could have been a two-day adjustment becomes a two-week illness. The body's trying to tell you something. Listen early, act early. That's the whole philosophy.

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