Meet America's tallest man and its tiniest siblings. He's 7'8". They're 2'2" and 3'2". Dr. Oz explores the unique science of life on a small to grand scale. Here, Igor Vovkovinskiy, who was born with pituitary gigantism, officially breaks the Guinness World Record for America's tallest man. Also, meet Brad and Bridget, a brother and sister both affected by a rare form of dwarfism called primordial dwarfism.

Click here to watch Part 1 and learn how Igor meets the everyday challenges of his condition.


Click here to watch Part 3 and learn more about Brad and Bridget, how primordial dwarfism affects their bodies, and what they're doing to beat the odds.

You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.