Interestingly, the term "cretin" was used by the Romans to describe Swiss who suffered from Iodine deficiency (due to poor soil) (hypothyroidism) and thus suffered from a lack of physical and mental development.
In other words, they were impish retards. Sounds about right.
(Just a factoid I learned today that I thought I'd pass on.)
Thanks!
Made my day and I'll use it more often.