Foreign Accent Syndrome (FAS) affects less than 100 people worldwide, but even so, it's disturbing enough to those who have it that there's a website devoted to "FAS support." According to the website, where you can hear samples of FAS-altered speech, "FAS is a speech disorder that causes a sudden change to speech so that a native speaker is perceived to speak with a ‘foreign" accent. The change can come about as a result of stroke, a bop on the head, brain injury, migraine headache, multiple sclerosis, or apparently, anesthesia. The causes of the bizarre condition aren't clear to scientists, although they suspect that victims suffer from a mini-stroke that alters their speech centers. The good news is that in most cases, the syndrome does not last long. Find out more in this podcast!