03/06/2026
《Stem Cells: Medical Breakthrough or Big Circus of Modern Medicine?》
《干细胞：医学突破，还是现代医学马戏团？》
In modern medicine, few words can make people’s eyes shine brighter than “stem cells.”
Mention stem cells at a dinner table and suddenly everyone becomes a part-time scientist. Uncle with knee pain sits up. Auntie with wrinkles leans forward. The businessman asks whether it can make him young again. The golfer asks whether it can repair his back pain. Some uncles at the corner whispers, “Can it improve.....performance ah?”
Suddenly, the whole restaurant becomes a medical conference — "sponsored" by hope, fear, and some very expensive brochures.
Let us be fair from the start.
Stem cells are not nonsense.
They are one of the most exciting areas in medical science. Properly used, stem-cell and cell-based therapies have already helped patients with serious diseases.
Bone marrow transplantation, for example, is a real and established form of stem-cell therapy.
More recently, the US FDA approved Ryoncil, a mesenchymal stromal cell therapy, for children with steroid-refractory acute graft-versus-host disease, a serious complication after bone marrow transplant.
That is real medicine: specific disease, specific indication, strict regulation, careful monitoring.
But between real science and public advertising, something strange happened.
Stem cells left the laboratory, entered the shopping mall and some beauty parlour, put on a glitter jacket, and joined the circus.
Today, stem cells are sometimes marketed as if they are magical repairmen carrying tiny toolboxes inside the body.
Bad knee? Stem cells.
Tired body? Stem cells.
Wrinkles? Stem cells.
Diabetes? Stem cells.
Hair loss? Stem cells.
Aging? Stem cells.
Marriage problem? Maybe not yet, but give the industry another few years.
The advertisements pamphlets are usually beautifully designed. There is always a smiling person in a white coat, a medical grade microscope photo, some blue DNA graphics, and words like “regenerative,” “rejuvenation,” “natural,” “cutting-edge,” “Swiss technology,” “Japanese protocol,” and “Nobel Prize science.”
The brochure looks so advanced that even the cells may feel pressured to perform.
This is where the public must be careful.
Real stem-cell medicine is not a buffet item. You cannot simply pick “knee repair,” “anti-aging,” “brain rejuvenation,” and “immune boost” like ordering dim sum.
In proper medicine, every treatment must answer basic questions: What disease? What cell type? What dose? What route? What evidence? What risks? What long-term outcome? Who regulates it?
The US FDA has repeatedly warned patients about unapproved regenerative medicine products, including stem cells and exosomes, especially when marketed for conditions without medical evidences.
The FDA also states that regenerative products have not been approved for many commonly advertised conditions such as autism, chronic pain, fatigue, blindness and several others.
The International Society for Stem Cell Research also advises patients and families to distinguish scientifically proven treatments from unproven ones, especially those promoted with false or predatory marketing.
In simple language: if the treatment sounds like it can fix everything from your knee cartilage to your personality, please slow down.
One of the funniest things in medicine is the phrase “no side effects.” Whenever I hear that, my blood pressure quietly stands up and salutes.
In medicine, even drinking too much water can cause problems. Even oxygen, if misused, can be harmful. So when someone says an injected biological product has “no side effects,” my first question is: Are we still discussing medicine, or have we entered Fantacy Island?
Stem cells are living biological agents. They are not vitamin C tablets. Depending on the type and preparation, they may divide, secrete growth factors, influence inflammation, alter immune responses, and interact with tissues in unpredictable ways.
With some stem-cell types, especially pluripotent cells, there are concerns about abnormal growth or tumor formation if cells are not properly controlled.
With poorly prepared products, there are also risks of infection, contamination, immune reactions, inflammation, clotting events, and simply wasting a large amount of money.
Then comes the testimonial.
Ah, the testimonial — the "national anthem" of medical spurious marketing.
“Before treatment, I could not walk. After three injections, I climbed up Penang Hill and down, danced Latin cha cha at my daughter’s wedding, and chased my neighbour’s annoying dog.”
Wonderful. But medicine cannot be built on one happy story.
Pain naturally fluctuates. Placebo effect is powerful. Some patients improve because they rested, lost weight, exercised, took physiotherapy, changed medication, or simply stopped doing the activity that injured them.
A personal testimonial is not a clinical trial.
It is a story with good lighting.
The most vulnerable people are not foolish people. They are desperate people.
Patients with chronic pain, degenerative disease, stroke, Parkinson’s, kidney disease requiring dialysis, cancer fear, infertility worries, or aging anxiety are easy targets.
When conventional medicine honestly says, “We can help, control, slow down, rehabilitate, but not guarantee a miracle.”
The circus master then appears and says, “Step right in. We have the miracle package. Today only offer.”
Hope is beautiful.
False hope is expensive cruelty.
This does not mean we should reject stem-cell science. Quite the opposite. The future of regenerative medicine is genuinely exciting.
Scientists are studying cell therapy, gene editing, tissue engineering, organoids, immune cells, and ways to repair damaged organs.
In the next 20 to 30 years, medicine may change dramatically. We may see better treatments for blood disorders, immune diseases, some cancers, degenerative conditions, and perhaps organ failure.
But real breakthroughs usually arrive wearing hospital shoes, not circus boots.
The public should remember one simple rule: stem cells are not automatically fake, but stem-cell marketing is often suspicious until proven otherwise.
Before accepting treatment, ask:
Is this treatment suits my condition? Is there strong published human evidence? Who prepares the cells? Is the lab GMP certified? What are the risks? What is the follow-up? What happens if complications occur?
And most importantly: why is the payment package more detailed than the scientific explanation?
Real science welcomes questions.
The circus prefers applause.
So, are stem cells a medical breakthrough or the big circus of modern medicine?
The answer is: both.
In the laboratory and proper clinic setting, stem cells may represent one of the great medical revolutions of our time.
But in the wrong hands, they become a medical theatre — complete with bright lights, exaggerated promises, celebrity testimonials, and tickets expensive enough to make your wallet need intensive care.
Stem cells may help build the future of medicine. But until the evidence is clear, the indication is certified, and the safety is properly monitored, please do not let a clown in a glittery jacket inject tomorrow’s dream into your today’s body.
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《干细胞：医学突破，还是现代医学马戏团？》
《Stem Cells: Medical Breakthrough or Big Circus of Modern Medicine?》
在现代医学里，很少有几个字像“干细胞”这样，能够瞬间点亮一桌人的眼睛。
饭桌上一提到干细胞，气氛马上不一样。
膝盖痛的叔叔忽然坐直了身体；
担心皱纹的阿姨悄悄靠近一点；
生意人认真地问：可以抗老吗？
打高尔夫的朋友马上补一句：腰椎可以修吗？
角落里的 uncle 压低声音问：那方面……会不会也有帮助？
一瞬间，整间餐厅仿佛变成了国际医学大会。而‘’赞助单位‘’是：‘’希望‘’、‘’焦虑‘’，以及一叠印刷精美、价格不菲的宣传册。
我们先说句公道话：干细胞不是江湖骗术。
干细胞科学，确实是现代医学最令人期待的领域之一。
在正确的医学环境里，干细胞与细胞治疗，已经帮助了一些严重疾病患者。骨髓移植，本质上就是一种成熟而真正的干细胞治疗。
近年，美国 FDA 也批准了一种间充质基质细胞 (Mesencymal Stem Cells) 疗法，用于治疗儿童在骨髓移植后出现、且对‘’类固醇‘’无效的急性移植物抗宿主病 (acute graft vs host transplant rejection) 。
这才是真正的医学：
明确疾病、明确适应症、严格监管、严密观察。
问题是，真正的科学从实验室走出来之后，有些人却把它请进了购物中心及美容中心，披上闪亮外套，打上华丽灯光，然后推上了大马戏团的舞台。
今天，有些干细胞治疗被包装成体内的万能维修队。
膝盖坏了？干细胞。
身体疲劳？干细胞。
皱纹多了？干细胞。
糖尿病？干细胞。
脱发？干细胞。
衰老？干细胞。
婚姻问题？目前可能还不敢讲，但照这个市场发展速度，再过几年也许真会出现“夫妻感情再生细胞疗程”。
广告通常设计得非常漂亮。一定会有一位笑容亲切、白袍雪亮的人物；旁边配上一张医学显微镜照片，再加几条蓝色 DNA 螺旋图案。
关键词少不了：“再生医学”，“细胞年轻化”，“天然疗法”，“尖端科技”，“瑞士技术”，“日本方案”，“诺贝尔科学”。
整张宣传单先进到连干细胞本身看了，可能都会感到压力：我真的有这么神吗？
这正是公众需要小心的地方。
真正的干细胞医学，不是自助餐。
不能像点餐或点心一样，随手点一份“膝盖修复”、一份“抗衰老”、一份“脑部年轻化”，再加一碟“免疫提升”。
在正规医学里，每一种治疗都必须回答几个基本问题：
治疗什么病？使用什么细胞？剂量多少？注射到哪里？有没有可靠的人体研究？风险是什么？长期效果如何？由谁监管？出了问题谁负责？
如果一个疗程的‘’付款配套‘’讲得比‘’科学证据‘’还清楚，那就值得我们深思熟虑，或者至少要想多几秒。
美国 FDA 多次提醒公众，许多未经批准的再生医学产品，包括干细胞和外泌体，并没有被批准用于许多广告中常见的疾病或保健用途。
国际干细胞研究学会也提醒患者，要分辨真正有科学证据的治疗，和那些靠夸大宣传、虚假希望甚至商业剥削来吸引病人的疗程。
用最简单的话说：如果一个疗程听起来可以从膝盖软骨，修补到人生命运/运气，请先停一停，再想一想。
医学里最让我紧张的一句话，就是：“完全没有副作用。”每次听到这句话，我的血压都会默默站起来敬礼。
世界上连喝太多水都可能出事。氧气用错了也会造成伤害。任何要注射进人体的‘’生物性产品‘’，如果有人轻描淡写地说 “绝对安全、零副作用”，我们就要问一句：我们现在还在谈医学，还是已经买票进入天方夜谭？
干细胞是活的‘’生物性产品‘’，不是维他命 C 糖果。不同类型的干细胞，可能会分裂、分泌生长因子、影响免疫反应、改变炎症环境，也可能与身体组织产生难以完全预测的互动。
某些干细胞，尤其是多能干细胞，如果控制不好，理论上有异常生长甚至形成肿瘤的风险。若制备过程不严谨，也可能出现感染、污染、免疫反应、炎症、血栓事件，以及最常见却最少被强调的副作用——‘’钱包严重内伤‘’。
然后，“成功见证” (successful testimony) 就隆重登场了。
啊，成功见证，简直是医学营销界的"国歌"。
“治疗前，我连楼梯都不能爬。打了三针之后，我可以爬上爬下升旗山，在女儿婚礼上跳拉丁查查热舞，还追得上邻居家那隻很会吵的狗。”
听起来当然感人。
但医学不能建立在一个‘’动听故事‘’上。
疼痛本来就会时好时坏。‘’安慰剂效应‘’ (placebo effects) 也非常强。有人好转，可能是因为休息了、减肥了、做物理治疗了、换药了，或者终于停止做那个让自己反复受伤的动作。
见证是故事，不是临床试验。
故事可以感动人，但临床试验才可以是指导医学。
最容易受伤害的，并不是愚蠢的人，而是绝望的人。长期疼痛、退化性疾病、中风后遗症、帕金森病、需要洗肾病人、癌症恐惧、不孕焦虑、衰老恐慌——这些患者和家属，最容易成为‘’奇迹营销‘’的目标。
当正规医学诚实地说：
“我们可以帮助你、控制病情、延缓恶化、改善功能，但不能保证奇迹。”
马戏团团长就出现了：“请进来，我们这里有奇迹配套，今天报名还有优惠。”
希望是美丽的。
出售虚假的希望 (false hope)，却是一种昂贵的残忍。
这并不代表我们应该否定干细胞科学?
正好相反，真正的再生医学前景非常令人振奋。科学家正在研究细胞治疗、基因编辑、组织工程、类器官、免疫细胞疗法，以及修复受损器官的方法。
未来二三十年，医学很可能出现巨大变化。
血液病、免疫疾病、某些癌症、退化性疾病，甚至器官衰竭，都可能迎来新的治疗方向。
但是，真正的医学突破通常穿着医院的鞋子，一步一步走来；不会穿着马戏团靴子，敲锣打鼓跳上舞台。
公众只需要记住一个简单原则：
干细胞本身不一定是假的，但干细胞的‘’营销‘’常常值得我们谨慎怀疑，直到它拿得出证据为止。
接受任何干细胞治疗前，请先问：
这项治疗是否获能适用于我的疾病？有没有高质量人体研究证据？细胞由谁制备？实验室是否有良好生产规范 (GMP compliance) 合格？风险是什么？如何跟进？万一出事，谁负责？
最重要的是：为什么付款方式讲得那么清楚，科学证据却讲得那么模糊呢？
真正的科学欢迎问题。马戏团比较喜欢掌声。
所以，干细胞究竟是医学突破，还是现代医学大马戏？
答案是：两者都有。
在实验室和正规医院里，干细胞可能代表这个时代最伟大的医学革命之一。
但在错误的人手中，它也可能变成一场医学表演：灯光灿烂、承诺夸张、名人见证、价格惊人，门票贵到让你的钱包需要住进加护病房。
干细胞也许真的会参与建造未来医学。
可是，在证据清楚、适应症获批、安全性受到严格监督之前，请不要随便让一个穿着亮丽龙袍的小丑，把明天的梦想，注射进你今天的龙体。
#干细胞 #马戏团
