An Egyptian woman, believed to be the world’s heaviest at 500kg (1,102lb), has undergone weight reduction surgery. Bariatric surgery, also known as weight loss surgery, is used as a last resort to treat people who are dangerously obese (having a body mass index of 40 or above or 35 plus other obesity-related health conditions). She weighed 5kg (11lb) at birth and was diagnosed with elephantiasis, a condition in which body parts swell due to a parasitic infection. By the time she was 11, her weight had risen sharply and she suffered a stroke which left her bedridden. She is cared for by her mother and sister.
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