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.
McGregor has no plans to stop at 155, however, as he is already envisioning a run at the welterweight division. He says that he spends much of his time at the Straight Blast Gym training with 170 pounders and points out that his height (5-foot-9) and reach (73 inches) is right on par with other welterweights.