Anorexia

Definitions

(Noun) a deadly disease; loss of appetite and inability to eat.

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(Noun) An eating disorder which consist on a intense fear to gain weight, and obsession to loose weight, so people with this eating disorder don't eat

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(Noun) a disease where one stops eating in an attempt to lose weight

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(Noun) a disease where someone refuses to eat in order to lose weight

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An eating disorder classed as a mental illness, where the people in question see themselves as being overweight and therefore starve themselves.