Ah yes, acupuncture. The retconned fauxstalgia medical practice that fails every single properly controlled test. It’s total bunk- a kinder gentler form of blood-letting that Mao resurrected as part of his play for global soft power by mythologizing “ancient Chinese medicine”. Also a bread & circuses move for his own people because they couldn’t afford to get real medical care to poor areas of the country at the time. Here’s some more reading if you’re interested.