Doctors have come across some baffling day-to-day ailments, but few conditions are as strange as these 20 disorders, which range from biological to psychological to cultural in nature.

Foreign Accent Syndrome
Foreign accent syndrome (FAS) is a speech disorder that causes sudden changes in speech pattern, intonation and pronunciation so that the victim is perceived to speak with a "foreign" accent. FAS usually results from severe trauma to the brain, such as a stroke or head injury, and typically develops within one or two years of the injury. Of the 50 to 60 cases that have been verified since 1941, only a few FAS sufferers regained their normal speech pattern, although some experienced success through speech therapy.

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Both work in a hospital or doctor’s office, both make sure patients are comfortable and cared for, and both are relied on for the smooth operation of a medical office. But medical assistants and nurses are two distinct professions, each with a slightly different focus. What are the similarities and differences?

Medical assistants have a set range of responsibilities, but there are certain tasks they are not allowed to carry out. If they exceed their bounds and participate in an unauthorized activity -- for instance, dispensing medical advice -- they could not only cause harm to a patient, but also make the employer liable for damages.

In addition to formal schooling and medical training, there are certain skills and qualities that someone should have in order to excel as a medical assistant: