It is the family of 50 powerful enzymes known as Cytochrome P450 that is responsible for converting cholesterol into the 'master' steroid hormone, pregnenolone. I choose to call pregnenolone a 'master hormone' because it is converted into numerous other vital hormones.
Mayweather has been arrested several times since 2002 in battery and violence cases in Las Vegas and in his hometown of Grand Rapids, Mich. He was convicted in 2002 of misdemeanor battery stemming from a fight with two women at a Las Vegas nightclub.
Long known for his bluster and candor, the 37-year-old Mayweather, who faces Marcos Maidana on Saturday, has rarely talked about his experience in prison. Mayweather did not respond to multiple requests for comment through his publicist, and calls and messages to his manager were not returned.