As long as it is used reasonably, any anesthesia will not cause harm to the body.
The current anesthesia technology and drugs are very advanced and will not be harmful. These statements are just rumors and can't be trusted.
90% of operations abroad are performed under general anesthesia. In fact, general anesthesia is the safest, most reliable and most comfortable anesthesia method for patients. With the improvement of domestic medical level, the proportion of general anesthesia is getting higher and higher. In some big hospitals, it can account for more than 80%.