December 2020 in “International journal of medical science and clinical invention” Rapunzel syndrome can show vague symptoms and needs long-term psychiatric care to prevent recurrence.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
2 citations
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January 2020 in “Skin appendage disorders” Long hair can cause hair loss due to constant pulling.
December 2008 in “The Internet journal of surgery” A 16-year-old girl with a hair-eating disorder needed surgery to remove a hairball from her stomach and small bowel.
6 citations
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January 2018 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” An 8-year-old girl with Rapunzel syndrome had a hairball removed from her stomach and intestines and recovered well after surgery.