Part II: He Started Puberty At Age 2 Growing Up With Rare Genetic Mutation

Read the full article here. 

There's a rare genetic mutation that triggers testosterone production in boys as young as two years old. It causes what doctors call precocious puberty, or testotoxicosis.

Patrick Burleigh wrote about his experience growing up with the mutation for New York magazine. We talk with him about it in the second of a two-part conversation.