"Athletic, active teenage girls who excel in school are not who you would expect to fall victim to a debilitating and difficult to diagnose illness. But it is happening to a group of mostly girls, on the north side of San Antonio.
Most of them live along the I-10 West corridor between Camp Bullis all the way up to Boerne.
"She never had headaches. She was never sick or went to the doctor," said a local mother who prefers not to be identified because of the stigma attached to her daughter's rare disease. "In April 2009 she started having severe migraines," said the woman who we'll call "Cindy." She is the mother of a 15-year-old girl with neuroimmune syndrome."