Traditional Chinese Medicine on "Spirit Preservation" and Its Relationship with Health Preservation
Traditional Chinese medicine regards Jing (essence), Qi (vital energy), and Shen (spirit) as the three treasures of life. Shen refers to the overall external manifestation of human life activities and also denotes mental and conscious processes. The Inner Canon states: "Shen is the refined essence of food and drink." Thus, Shen relies on Jing and Qi as its material basis and is therefore also called "spirit." Spirit reflects the condition of zang-fu organs and blood and Qi. It manifests through physical posture, movement, facial expressions, speech, and breath. The ancient concept of Shen and spirit aligns closely with modern psychological and mental activities. Ancient Chinese thinkers highly emphasized the critical role of spirit in human life. They believed: "Recovery depends on spirit; loss of spirit means death." Observing the presence or absence of spirit is crucial for assessing the strength of vital energy, severity of illness, and prognosis.Observing spirit is a vital aspect of inspection. Observing spirit involves checking the patient’s mental state, clarity of consciousness, coordination of movements, and responsiveness. TCM holds that spirit relates to all five zang organs but is most closely tied to the heart. As the Inner Canon states: "The heart is the great master of the five zang and six fu organs, the abode of spirit. It is firm and impenetrable by pathogenic factors. If invaded, the heart is injured; if injured, spirit departs; if spirit departs, death follows." "Spirit resides in the heart, and its signs manifest in the eyes." The eyes are the repository of the five zang and six fu organs’ essence, making eye observation a key component of spirit assessment. During illness progression, patients with lively eyes, clear consciousness, quick responses, clear speech, loud voice, and normal breathing are deemed to have "spirit," indicating intact vital energy, healthy organ function, mild illness, and favorable prognosis. Conversely, patients with dull eyes, fixed pupils, lethargy, sluggish response, weak breathing, or even unconsciousness are considered "without spirit" or "losing spirit," indicating weakened vital energy, severe illness, and poor prognosis. Additionally, in chronic or severe cases, sudden improvement in appearance—such as flushed cheeks—after prolonged exhaustion is known as "false spirit" or "last flicker of light," warranting special attention.In sum, TCM believes: "Internal injury to spirit inevitably leads to physical collapse," and "If spirit remains within, illness cannot arise."Thus, throughout history, physicians have placed great emphasis on "spirit preservation" and "calming the spirit" in health preservation, treatment, and recovery.How to preserve spirit? I believe the following methods are essential:Body and Spirit CultivationAncient wisdom holds: "Form depends on spirit for existence; spirit depends on form for survival." The Inner Canon states: "Eat and drink with moderation, live with regularity, avoid excessive exertion, thus enabling body and spirit to thrive together and reach the natural lifespan." This emphasizes the importance of lifestyle discipline, dietary balance, and physical exercise to ensure physical health, thereby promoting mental vigor.Calmness Preserves SpiritThe Inner Canon states: "Stillness allows spirit to reside; agitation causes spirit to dissipate." The Huainanzi also says: "The mind and spirit grow stronger through stillness, weaker through agitation." These insights underscore the necessity and value of preserving spirit through stillness. Especially after prolonged work in noisy environments, fatigue, or emotional turmoil, resting or sleeping in quiet surroundings is essential for restoring mental and physical energy. Even briefly closing one’s eyes to rest (while clearing the mind) for ten or fifteen minutes post-work significantly aids recovery.Heart Nourishment Calms SpiritSince "the heart houses spirit," heart disease leads to restless spirit, causing "all zang-fu organs to tremble." Thus, nourishing the heart is essential to calm the spirit. For example, if heart blood deficiency causes spirit to wander, treatment should focus on nourishing blood and calming spirit. If heart fire is excessive, disturbing the spirit, then cooling fire and calming spirit is needed. If phlegm-fire disturbs the heart, clearing heart fire and resolving phlegm is required. Additionally, if liver stagnation transforms into fire, disturbing the spirit, then soothing the liver and calming spirit is necessary. If heart-kidney imbalance causes restlessness, then harmonizing heart and kidney becomes essential.Emotional Regulation Calms SpiritTCM holds that excessive emotions deplete essence and harm spirit. As the Inner Canon states: "Fear and anxiety injure spirit," "Joy and pleasure scatter spirit," "Fear disperses spirit without gathering it." Similarly, Pengzu’s Treatise on Life Preservation says: "Too much joy and anger cause spirit to leave its dwelling."Therefore, maintaining a cheerful, optimistic mindset, practicing self-restraint ("avoid anger," "think carefully"), and avoiding adverse emotional stimuli are vital aspects of spirit care.Preserve Essence to Nurture SpiritWhen essence is abundant, spirit is robust; when essence is deficient, spirit becomes restless and agitated. Thus, methods such as self-cultivation, improved nutrition, moderation in sexual activity, and balanced sleep can help preserve essence and nurture spirit.Additionally, practices like relaxation exercises and dietary therapy (using longan, lily bulbs, lotus seeds, etc.) can aid in calming the spirit.