Any anesthesia method, as long as it is properly applied, will not have any sequelae, will not affect IQ, and will not have serious accidents.

This statement is just a self-righteous guess by people who don't understand medicine.

Surgery abroad is basically general anesthesia, and even tooth extraction in developed countries such as the United States is general anesthesia. Because only general anesthesia is the safest and most reliable anesthesia method, and it is also the most comfortable anesthesia method for patients. It won't scare people, just sleep and wake up.