Death caused by the over-consumption of Brazil Nuts. The condition is referred to by medical authorities as selenosis, which can also include symptoms such as garlic odor on the breath, gastrointestinal disorders, hair loss, sloughing of nails, fatigue, irritability and neurological damage.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.