Amiodarone and its metabolites may have a direct cytotoxic effect on the thyroid follicular cells, which causes a destructive thyroiditis. Amiodarone and its metabolite desethylamiodarone can act as a competitive antagonist of T3 at the cardiac cellular level.
Video: Watch a 19-year-old Conor McGregor predict his UFC title shot. Videos. Video: Watch a 19-year-old Conor McGregor predict his UFC title shot. Conor McGregor is just one win away from claiming a UFC title. Back in 2008, the then-19-year-old MMA newcomer predicted as much.
The 40-year-old boxer, nicknamed Money, is undefeated at 49-0, and prepares to come out of retirement once again to fight MMA star Conor McGregor in summer 2017's biggest sports event â and perhaps the biggest event since the long-awaited Pacquiao-Mayweather clash in May 2015.