Doctors believe some migraines may be caused by nerve branches in the forehead that become irritated. If the muscles around those nerves are paralyzed, the headaches in some cases stop.
"What we do is remove the frowning muscles that are compressing the nerves and releasing substances that cause the pain for the migraine patients," said Dr. Bahman Guyuron, plastic surgeon.
As part of a study, surgeons and neurologists performed the surgery on 49 patients. Fifty-seven percent reported their migraines went away.