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S.M.

Medical patient · Born 1965 · age 61

S.M., sometimes referred to as SM-046, is an American woman with a peculiar type of brain damage that physiologically reduces her ability to feel fear. First described by scientists in 1994, she has had exclusive and complete bilateral amygdala destruction since late childhood as a consequence of Urbach-Wiethe disease.

S.M. is read about 122 times a day, in 6 languages.

A typical day, 30 days to 18 August 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

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About this person

Dubbed by the media as the "woman with no fear", S.M. has been studied extensively in scientific research; she has helped researchers elucidate the function of the amygdala.

Status
Living
Dates
Born 1965 · age 61