夏日出汗有講究：汗爲心之液，慎防過度耗傷

夏日炎炎，烈日當空，汗水如細雨般灑落，這是身體對炎熱的自然反應，也是排毒、調節體溫的重要方式。然而，中醫卻有一句老話：“汗爲心之液”，這簡短五個字，卻蘊含着深邃的養生智慧。它告訴我們，汗水雖小，卻與我們的心臟息息相關，出汗有度，方能養生，過度則傷身。

在中醫的理論體系中，心爲君主之官，主宰着人體的血脈運行和精神活動。而汗，作爲體液的一部分，其生成與排泄，均受心的調控。汗液如同心血的延伸，是心臟功能的外在表現。因此，當汗液異常增多，尤其是長期多汗且汗量較大時，便不再是簡單的生理現象，而是身體在向我們發出警告。

想象一下，一位朋友，夏日裏總是大汗淋漓，衣服溼透，看似是身體健壯，實則暗藏危機。中醫會說，這汗，可不是白流的。汗爲心之液，過度出汗，就如同心河之水被無度汲取，心陰逐漸損耗，心陽無所依附，久而久之，心臟便如同失去了滋潤的樹木，逐漸枯萎。

耗氣傷津，是過度出汗帶來的直接後果。氣，是生命的動力，津，是身體的潤澤。當汗液如瀑布般傾瀉，氣隨汗脫，津隨汗泄，人便會感到心慌心悸，彷彿心臟在胸腔裏狂跳，試圖掙脫束縛；身體乏力，如同被抽乾了力量的木偶，連抬手的力氣都沒有；氣短，每一次呼吸都像是在竭力吸取最後一絲氧氣。

更糟糕的是，過度出汗還會造成營衛不固。營，是體內的營養液，衛，是體表的護衛軍。營衛和諧，身體才能安康。而過度出汗，如同營衛之間的防線被沖垮，外邪便有機可乘，進一步加重多汗症狀，形成惡性循環。

這可不是我憑空捏造，中醫古籍中早有記載。《黃帝內經》雲：“汗者，精氣也。”精氣，乃人體之寶貴，不可輕易耗散。又云：“心者，生之本，神之變也；其華在面，其充在血脈。”心之華彩，顯於面，心之充盈，行於血脈。過度出汗，傷及心陰，心之華彩漸暗，血脈之行亦滯。

再舉個例子，就像是一盞油燈，燈油是燈的光源之基，燈芯則是引導燈油燃燒的關鍵。心陰就如同那燈油，汗液就如同燈油燃燒時產生的煙霧。當燈油（心陰）充足時，燈（心臟）燃燒得明亮而穩定；但當燈油過度消耗，燈芯（心臟功能）便會因缺乏滋潤而搖曳不定，燈光（生命活力）也會變得昏暗。

那麼，夏日裏我們該如何出汗才健康呢？中醫講究適度原則，出汗亦如此。運動時，以微微出汗爲宜，既可達到鍛鍊身體的目的，又不會過度耗傷心陰。日常生活中，避免長時間處於高溫環境中，及時補充水分，保持身體的水液平衡。

此外，中醫還有一些小妙招來幫助我們調節汗液。比如，可以適量飲用一些具有養陰生津功效的茶飲，如菊花茶、枸杞茶等；多喫一些富含水分和電解質的食物，如西瓜、黃瓜等；還可以通過按摩一些具有止汗作用的穴位，如合谷穴、復溜穴等，來輔助調節汗液分泌。

總之，夏日出汗雖自然，但切記不可過度。汗爲心之液，珍貴如金，需慎加呵護。讓我們在享受夏日清涼的同時，也學會傾聽身體的聲音，適度出汗，保持身心的和諧與健康。如此，方能在這炎炎夏日裏，悠然自得，樂享生活。

作者簡介：梁世傑 中醫高年資主治醫師，本科學歷，從事中醫臨牀工作24年，積累了較豐富的臨牀經驗。師從首都醫科大學附屬北京中醫院肝病科主任醫師、著名老中醫陳勇，侍診多載，深得器重，盡得真傳！擅用“商湯經方分類療法”、專病專方結合“焦樹德學術思想”“關幼波十綱辨證”學術思想治療疑難雜症爲特色。現任北京樹德堂中醫研究院研究員，北京中醫藥薪火傳承新3+3工程—焦樹德門人（陳勇）傳承工作站研究員，國際易聯易學與養生專委會常務理事，中國中醫藥研究促進會焦樹德學術傳承專業委員會委員，中國藥文化研究會中醫藥慢病防治分會首批癌症領域入庫專家。榮獲2020年中國中醫藥研究促進會仲景醫學分會舉辦的第八屆醫聖仲景南陽論壇“經方名醫”榮譽稱號。2023年首屆京津冀“扁鵲杯”燕趙醫學研究主題徵文優秀獎獲得者。事蹟入選《當代科學家》雜誌、《中華英才》雜誌。

There are rules about sweating on summer days: sweat is the fluid of the heart, and beware of excessive depletion.

Summer is hot, the sun is hot, and sweat falls like a thin rain. This is the body''s natural response to heat, and it is also an important way to detoxify and regulate body temperature. However, there is an old saying in Chinese medicine: "Sweat is the fluid of the heart," which is five short words, but contains deep health wisdom. It tells us that although sweat is small, it is closely related to our heart, and sweating adequately is necessary for health, and excessive sweating is harmful.

In the theoretical system of Chinese medicine, the heart is the king''s organ, which dominates the blood flow and spiritual activities of the human body. And sweat, as a part of body fluids, its production and excretion are both regulated by the mind. Sweat, like the extension of blood from the heart, is an external manifestation of heart function. Therefore, when sweat increases abnormally, especially when sweating more and more over a long period of time, it is no longer a simple physiological phenomenon, but the body is warning us.

Imagine a friend who sweats and dresses so much in the summer, appears to be healthy, but hides a crisis. Traditional Chinese medicine says that this sweat is not a waste. Sweat is the fluid of the heart. Excessive sweating is like the water of the heart river being unduly drawn, the yin and yang are gradually depleted, and the yin and Yang are not dependent. Over time, the heart is like a tree that has lost its moisture and gradually withered.

Excessive sweating is a direct result of excessive sweating. Qi is the driving force of life, and qin is the lubrication of the body. When sweat pours out like a waterfall, breath escapes with sweat, and urine drains with sweat drains, people feel panic, as if the heart is beating wildly in the chest, trying to break free. He was weak, like a puppet who had been stripped of his strength, and had no strength to lift his hand. My breath was short, and every breath felt like I was trying to get the last bit of oxygen.

Worse still, excessive sweating can make the guards unstable. A camp is the nutrient fluid in the body, and a guard is the body''s surface guard. Business and health harmony, the body can Ankang. Excessive sweating, like the defense line between the guards is broken down, external evil can be exploited, further aggravating the symptoms of sweating, forming a vicious circle.

I didn''t make this out of thin air. It''s already written in ancient Chinese medicine books. The Book of Huangdi says, "A man who sweats is also a man whose spirit is." Breath is precious to the human body and cannot be easily exhausted. Also known as:“The heart is the essence of life and the transformation of God; Its beauty is in the face, and it is in the blood.”The glory of the heart is visible in the face, and the fullness of the heart travels through the blood. Excessive sweating hurts the heart, the glow of the heart fades, and the passage of blood lines is blocked.

As an example, like an oil lamp, the oil is the base of the light source of the lamp, and the core is the key to guiding the oil to burn. The yin''a is like the lamp oil, and the sweat is like the smoke generated when the lamp oil burns. When the lamp oil (the shade) is sufficient, the lamp (the heart) burns brightly and steadily. However, when the lamp oil is overconsumed, the core (heart function) will fluctuate due to lack of moisture, and the light (life vitality) will become dim.

So how do we sweat to be healthy in summer? TCM adheres to the principle of moderation, as does sweating. When exercising, it is advisable to sweat slightly, which can achieve the purpose of exercising the body without unduly damaging the heart. In daily life, avoid being in a hot environment for a long time, and replenish moisture in time to maintain the body''s fluid balance.

In addition, traditional Chinese medicine has some tips to help us regulate sweat. For example, it is possible to drink in moderation some tea drinks that have the effect of maintaining the yin and yang, such as chrysanthemum tea and goji berry tea; Eat more foods rich in water and electrolytes, such as watermelon, cucumber, etc. It is also possible to help regulate sweat secretion by massaging some of the points that have anti-perspirant effects, such as the junction and the reclining cave.

In conclusion, sweating on summer days is natural, but remember not to overdo it. Sweat is the fluid of the heart, precious as gold, and needs careful care. Let us enjoy the coolness of summer, but also learn to listen to the sounds of the body, sweat in moderation, and maintain physical and mental harmony and health. In this way, we can relax and enjoy life in this hot summer.

Author Bio: Liang Shijie is a senior medical practitioner in traditional Chinese medicine with an undergraduate degree. He has been engaged in traditional medicine clinical work for 24 years and has accumulated a wealth of clinical experience. Following Chen Yong, chief physician of liver disease at Beijing Traditional Medicine Hospital, affiliated with Capital Medical University, and renowned old Chinese medicine, he has been treated for many years and received great attention. He specializes in the treatment of difficult diseases using "conversational traditional therapy" and special treatments combined with the academic ideas of Jiao Shude and Guan Yubo''s ten-level diagnosis.He is currently a researcher at the Shude Tang TCM Research Institute in Beijing, a fellow at the new 3 + 3 project of traditional Chinese medicine flame inheritance in Beijing - a scholar at the inheritance workstation of Jiao Shude''s protégés (Chen Yong),He is a standing committee member of the International Expert Committee on E-learning and Health Care, a member of the Jiao Shude Academic Heritage Special Committee of the Chinese Association for the Advancement of Chinese Medicine Research, and the first cancer specialist to be included in the chapter of the Chinese Pharmaceutical Culture Research Association. Won the 2020 China Association for the Promotion of Traditional Chinese Medicine Zhongjing Medical Branch held the eighth session of the Medical Saint Zhongjing Nanyang Forum "Classic Prescription Famous Doctor" honorary title. The winner of the first Beijing-Tianjin-Hebei "Pingui Cup" Yanzhao Medical Research Essay Award in 2023. His work was featured in the journal Current Scientist and the journal Chinese Talent.