1 Some of the drugs used to treat hyperthyroidism (overactive thyroid) block the production of thyroid hormone. These same drugs can also cross the placenta and cause hypothyroidism in the infant.  If a pregnant woman has untreated hyperthyroidism, her newborn infant may be hypothyroid for a short period of time.
Black Velvet (song) Black Velvet is a song written by Canadian songwriters Christopher Ward and David Tyson, recorded by Canadian singer songwriter Alannah Myles. It was released in December 1989 as one of four singles from Myles' 1989 eponymous CD from Atlantic Records.
Black Velvet is the name of the Hair Dye Elvis used to get that shade (It's also called Blue/Black). Today it's very popular with the Punks, Goths and Emo's. The song is NOT about Robert Plant...lol.