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Sultan Kosen

LONDON, ENGLAND - SEPTEMBER 16: (EMBARGOED UNTIL 00.01AM ON SEPTEMBER 17) The worlds new tallest man Sultan Kosen 26, of Turkey poses in front of Tower Bridge to celebrate the launch of the 2010 Guinness Book of Records, on September 16, 2009 in London, England. Sultan Kosen stands at 8ft 1in and also holds the record for the largest hands and largest feet at 27.5cm and 36.5cm respectively. (Photo by Dan Kitwood/Getty Images)

World's tallest man may have stopped growing

Thanks to treatment by researchers at the University of Virginia Medical Center, the world's tallest man, 29-year-old Sultan Kosen of Turkey, may have reached his peak at 8-feet-3 inches.