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.
Potent physical or emotional stress can cause an overactive thyroid in those people who have the underlying genetic background, says Singer. Too much thyroid hormone speeds up metabolism.People lose weight, their heart beats rapidly, they have palpitations. It feels like you're amped up, says Singer.otent physical or emotional stress can cause an overactive thyroid in those people who have the underlying genetic background, says Singer. Too much thyroid hormone speeds up metabolism. People lose weight, their heart beats rapidly, they have palpitations.