A woman developed an array of symptoms shortly after returning from a vacation, and parasites turned out to be the culprit.

After a three-week-long vacation through Thailand, Japan and Hawaii, a 30-year-old woman learned she brought home an unwelcome souvenir, doctors said. When the woman first returned home to the coast of New England,

Imagine returning from a dream vacation, only to find yourself battling a mysterious illness that leaves doctors baffled. For one 30-year-old woman from New England, this nightmare became a reality when a parasite she picked up during her travels infected her brain,