english: The opposite problem is hypothyroidism, which happens when the thyroid  sends out too few hormones, meaning the body's cells don't have as many messengers to guide them.
non_english: Nasprotni problem je hipotiriodizem, ki nastane, ko ščitnica pošilja ven premalo hormonov. kar pomeni, da celice v telesu nimajo toliko sporočil, ki bi jih vodila.