What was Robert Wadlow's cause of death? Learn about the medical conditions that affected the Giant of Illinois and how he passed away at just 22 years old.

Robert Wadlow was able to lift his 5 ft 11 in (180 cm) tall, 170 lb (77 kg) father up the stairs to their home when he was only nine years old. He was the first of five children born to Harold ...

Robert Wadlow's cause of height was ascribed to pituitary gigantism. This rare condition results from hyperplasia of the pituitary gland. An oversecretion of the human growth hormone characterises it, ...

The tallest man in the world was born happy, healthy, and seemingly normal in size. On February 22, 1918, Addie Wadlow gave birth to an 8.7-pound baby named Robert Pershing Wadlow in Alton, Illinois.