6. She was just 4 years old when she began fighting
In Brazil, they don’t mess around when it comes to Mixed Martial Arts, and Nunes started training when she was just four years old. At 16, she started boxing, then added Brazilian Jiu-Jitsu to her arsenal. According to her youth coaches, Nunes trained harder than her peers, and quickly became a black belt. No wonder she is one of the most dangerous fighters in the world!