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As the weather cools, acupuncturists often talk about the kidneys. This guide explains what the kidney system means in TCM theory and how acupuncture, moxibustion and simple habits fit into winter care.

Why acupuncturists talk about the kidneys in winter

When the mornings turn crisp across the North Shore and the Northern Beaches, conversations in our Lane Cove and Freshwater rooms often turn to one organ system in particular. In traditional Chinese medicine, winter belongs to the kidneys, and the season is seen as a chance to rest, conserve and keep warm. This guide explains the thinking behind that and what it can look like in practice.

The kidneys at a glance

TCM treats each organ as a system with physical, emotional and seasonal sides. In this framework the kidneys are connected with:

• the water element and the winter season, when yang energy retreats and yin deepens
• the emotion of fear and the quality of willpower
• the salty taste and dark or black colours
• the ears, the bones, the marrow, the teeth and the hair
• the direction north and the paired organ, the bladder

Traditionally, the kidneys are also responsible for growth, development and reproduction, and are called the root of the body.

Essence and everyday choices

A key idea is jing, or essence, which the kidneys are said to store. TCM explains that we receive one portion from our parents, similar to an inherited constitution, and build the other portion from food, sleep and lifestyle. The inherited part is fixed, but the second part is where habits come in, so most winter advice is about looking after this everyday reserve.

How patterns are described

Acupuncturists assess the balance of kidney yin, the cooling and moistening aspect, and kidney yang, the warming and activating aspect. Signs traditionally linked with low kidney yin include heat, sweating, dryness, irritability, sleeplessness and low back ache. Signs linked with low kidney yang include cold hands and feet, a cold or achy lower back, frequent urination, fatigue, early greying, fluid retention, lower libido and a tendency to worry or feel fearful. In a consultation, your practitioner uses these traditional descriptions to plan acupuncture, but they are not a medical diagnosis. Please have any ongoing symptoms checked by your GP, and let them know if you are having acupuncture.

What winter care might include

Acupuncture and moxibustion

Moxibustion involves warming specific acupuncture points with smouldering mugwort. It is a traditional technique that many people find soothing and pleasantly warm, and practitioners often pair it with acupuncture in the colder months.

Warmth at home

Keep the lower back, feet and neck well covered. A scarf on windy beach walks or a warm layer on early commutes is in keeping with the traditional advice to shield the kidneys from cold.

The winter pantry

Dark foods such as black beans, black sesame seeds, seaweed, lamb and beef are traditionally associated with the kidneys. Ginger, cinnamon, walnuts, chives, soybeans, miso and goji berries are also used as warming ingredients. Keep kelp and seaweed moderate, choose cooked meals over raw salads and swap cold smoothies for room-temperature or warm drinks. If you have a medical condition, check with your GP or a dietitian before changing your diet. Your acupuncturist may also discuss whether a Chinese herbal formula suits you.

Gentle exercise and rest

Walking, tai chi and qi gong are traditional winter choices because they keep the body moving without exhausting it. TCM sees overwork, overexertion and long periods of stress as draining kidney energy, and classical texts also recommended moderation in sexual activity in this season.