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.
By: MMAjunkie Staff | February 17, 2016 9:15 am Follow @MMAjunkie HOUSTON â More than 22 years after their first meeting at UFC 1, why are 49-year-old Royce Gracie and 52-year-old Ken Shamrock fighting once again? It depends on which one of the UFC Hall of Famers you ask.