Well-meaning academics even introduced spelling absurdities such as the âsâ in the word âisland,â a misguided Renaissance attempt to restore the etymology of the [unrelated] Latin word insula. 1  A discrete, meaningful unit of language which is approved by some authority.
What is an overactive thyroid? Hyperthyroidism happens when the thyroid becomes overactive and produces too much of its hormones. Hyperthyroidism affects women 10 times more often than men, and is most common in people aged 20-40.
Hyperthyroidism means an overactive thyroid gland. When your thyroid gland is overactive it makes too much thyroxine. The extra thyroxine causes many of your body's functions to speed up. In contrast, if you have hypothyroidism, you make too little thyroxine; this causes many of the body's functions to slow down.