Goitre is mostly caused by the lack of what element in the diet?

More Questions:

The game "Cities: Skylines" was developed by which Finnish video game company?

In pool, what color is the 1-ball?

What mythological creature was the longtime mascot of Mobil gas?

What company developed the Xpander graphing calculator but never put it into production?

What gets changed by the process of transubstantiation?

Who had a flying carpet?

What's the capital of Comoros?

What disease was once nicknamed "the white plague"?

What extinct bird got its name from a Portuguese word meaning "simpleton"?

In what part of the body would you find cowper's fluid?

The band "The Who" were also known as "The Detours" and what other name?

In what South American country were Butch Cassidy and the Sundance Kid rumored killed in 1908?

What is the more common name for the Bigelow Expandable Activity Module that was added to the International Space Station in 2016?

Who directed the 1962 film "Lawrence of Arabia"?

Who are the actors that play Sam and Dean Winchester in the TV show "Supernatural"?