Usually general anesthesia. In rare cases local anesthesia with sedation, which is less expensive but more uncomfortable.
Some risks are common for all surgeries, such as infection, unaesthetic scar tissue, and bad reactions to general anesthesia. Complications specific to breast surgery include numbness, tingling, and weakness in the arm area.
Thomas Edison performed surgery on his mother using a primitive tool to cut a large lump from her breast without anesthesia. The surgery was successful, and his mother lived for several decades after.
It may be done under local or general anesthesia, depending on patient and physician preference
You can get breast enhancement at a variety of locations without needing surgery such as psychotherapy. In Germany, they have developed methods to grow breasts without surgery.
There are many risks with breast reduction surgery. This is a major operation with all of the risks associated with it, e.g. problems with anesthesia, doctor error, etc.
There are many risks associated with transumbilical breast augmentation surgery. One risk when having any surgeries is not having a good reaction to the anesthesia. Also, after the surgery, someone could experience constant pain, having the breast surgery could affect future breast feeding and thinning of the breast tissue.
massage
You can't without surgery.
Are there ways to have smaller breast without surgery or exercise?
In general, parental consent is required in the United States for teenagers under 18 who want breast implants. Most teenagers who want a plastic surgery get them for practical reasons such as misshapen noses.
There is no way unless you gain weight.