> Various theories existed for his size, including that his mother choked on a gherkin while pregnant, but he probably had a growth hormone deficiency caused by a pituitary gland disorder.

> No details of his captivity were recorded except that he claimed to have grown to 45 inches (110 centimetres) during this time, doubling his height after 30 years of age,[9] which he attributed to the hardships he had suffered.

Hormones are amazing, I wonder if there's any literature on what triggered his later growth