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.
The Senate is made up of 76 senators: each elected to represent one of Australia's six states or two territories. Both the Senate and the House of Representatives debate and pass bills, scrutinise government and represent the people of Australia. More information: Fact Sheet â Senate.