National Geographic Documentaries

National Geographic Documentaries

Science of Gigantism (2007x29)


Air date: Nov 20, 2007

They soar to record heights, towering over normal people. From a benign tumor on the pituitary gland to excess growth hormones, find out how giants are made.

  • Premiered: Sep 1965
  • Episodes: 862
  • Followers: 39
  • Running
  • CBS
  • Unknown