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Case Lab · Type A · Foundation

F50

Restricting since the summer

A 17-year-old has lost a significant amount of weight over the past eight months through steadily increasing dietary restriction and now maintains a weight well below what is healthy for her age and height. She describes an intense fear of gaining weight, checks her body in the mirror multiple times a day, and insists she 'still looks too big' despite her low weight being visible to family members. She has become increasingly withdrawn from meals with family and has begun exercising for long periods daily.

What is the best-supported classification?