1 The majority of thyroid nodules are benign. 2  Thyroid nodules are more likely to be cancerous at the extremes of age and in males. 3  The most malignant thyroid cancers are seen at the extremes of age.  Most thyroid cancers are found between ages 20 to 50.
In the U.S. Congress, the parliamentarians of the House and Senate serve as formal, nonpartisan advisers to the Speaker of the House and presiding officer of the Senate respectively.
Role of the Senate in Parliament What is the Senate? What does it do? Canadaâs Bicameral Parliament . Canada has a bicameral parliamentary system, meaning that there are two legislative bodies or chambers. The first of these is the House of Commons, which is made up of elected officials called Members of Parliament (or MPs).