KAGOSHIMA - An 18-year-old Japanese teenager, once recognized as having the longest hair in the world among 13-to-17-year-olds, had her first-ever haircut Tuesday before starting life at university. Keito Kawahara, who lives in Izumi, Kagoshima Prefecture, said she plans to donate the hair that was cut for medical wigs. Kawahara initially grew her hair to hide a scar on her head that developed as a result of medical treatment shortly after birth. She continued life without cutting her hair, which she braided every morning during high school. There were times when she thought about changing her hairstyle, but instead she focused on studying for university entrance examinations.